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Finding the Fourth Proportional to 113,732.25, 156,950.51 and 63,431.25

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Solution

The fourth proportional to 113,732.25, 156,950.51 and 63,431.25 is: 87,535.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,732.25 : 156,950.51 = 63,431.25 : x
  2. Step 2: Convert to fraction form
    113,732.25/156,950.51 = 63,431.25/x
  3. Step 3: Cross multiply
    113,732.25x = 156,950.51 × 63,431.25
  4. Step 4: Simplify right side
    113,732.25x = 9,955,566,720.28
  5. Step 5: Solve for x
    x = 9,955,566,720.28/113,732.25
  6. Step 6: Final answer
    x = 87,535.13

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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.