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Finding the Fourth Proportional to 147,283.60, 220,925.40 and 47,443.60

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Solution

The fourth proportional to 147,283.60, 220,925.40 and 47,443.60 is: 71,165.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,283.60 : 220,925.40 = 47,443.60 : x
  2. Step 2: Convert to fraction form
    147,283.60/220,925.40 = 47,443.60/x
  3. Step 3: Cross multiply
    147,283.60x = 220,925.40 × 47,443.60
  4. Step 4: Simplify right side
    147,283.60x = 10,481,496,307.44
  5. Step 5: Solve for x
    x = 10,481,496,307.44/147,283.60
  6. Step 6: Final answer
    x = 71,165.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.