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Finding the Fourth Proportional to 89,836.20, 125,537.40 and 89,836.20

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Solution

The fourth proportional to 89,836.20, 125,537.40 and 89,836.20 is: 125,537.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,836.20 : 125,537.40 = 89,836.20 : x
  2. Step 2: Convert to fraction form
    89,836.20/125,537.40 = 89,836.20/x
  3. Step 3: Cross multiply
    89,836.20x = 125,537.40 × 89,836.20
  4. Step 4: Simplify right side
    89,836.20x = 11,277,802,973.88
  5. Step 5: Solve for x
    x = 11,277,802,973.88/89,836.20
  6. Step 6: Final answer
    x = 125,537.40

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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.