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Finding the Fourth Proportional to 58,450,043.40, 82,009,219.80 and 58,450,043.40

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Solution

The fourth proportional to 58,450,043.40, 82,009,219.80 and 58,450,043.40 is: 82,009,219.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,450,043.40 : 82,009,219.80 = 58,450,043.40 : x
  2. Step 2: Convert to fraction form
    58,450,043.40/82,009,219.80 = 58,450,043.40/x
  3. Step 3: Cross multiply
    58,450,043.40x = 82,009,219.80 × 58,450,043.40
  4. Step 4: Simplify right side
    58,450,043.40x = 4,793,442,456,510,139
  5. Step 5: Solve for x
    x = 4,793,442,456,510,139/58,450,043.40
  6. Step 6: Final answer
    x = 82,009,219.80

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.