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Finding the Fourth Proportional to 113,585.54, 156,749.10 and 62,600.13

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Solution

The fourth proportional to 113,585.54, 156,749.10 and 62,600.13 is: 86,388.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,585.54 : 156,749.10 = 62,600.13 : x
  2. Step 2: Convert to fraction form
    113,585.54/156,749.10 = 62,600.13/x
  3. Step 3: Cross multiply
    113,585.54x = 156,749.10 × 62,600.13
  4. Step 4: Simplify right side
    113,585.54x = 9,812,514,037.38
  5. Step 5: Solve for x
    x = 9,812,514,037.38/113,585.54
  6. Step 6: Final answer
    x = 86,388.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.