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Finding the Fourth Proportional to 104,587.70, 156,945.95 and 41,397.08

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Solution

The fourth proportional to 104,587.70, 156,945.95 and 41,397.08 is: 62,121.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,587.70 : 156,945.95 = 41,397.08 : x
  2. Step 2: Convert to fraction form
    104,587.70/156,945.95 = 41,397.08/x
  3. Step 3: Cross multiply
    104,587.70x = 156,945.95 × 41,397.08
  4. Step 4: Simplify right side
    104,587.70x = 6,497,103,366.59
  5. Step 5: Solve for x
    x = 6,497,103,366.59/104,587.70
  6. Step 6: Final answer
    x = 62,121.10

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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.