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Finding the Fourth Proportional to 104,732.60, 157,098.90 and 62,742.20

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Solution

The fourth proportional to 104,732.60, 157,098.90 and 62,742.20 is: 94,113.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,732.60 : 157,098.90 = 62,742.20 : x
  2. Step 2: Convert to fraction form
    104,732.60/157,098.90 = 62,742.20/x
  3. Step 3: Cross multiply
    104,732.60x = 157,098.90 × 62,742.20
  4. Step 4: Simplify right side
    104,732.60x = 9,856,730,603.58
  5. Step 5: Solve for x
    x = 9,856,730,603.58/104,732.60
  6. Step 6: Final answer
    x = 94,113.30

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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.