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Finding the Fourth Proportional to 96,506, 133,217.36 and 62,543.64

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Solution

The fourth proportional to 96,506, 133,217.36 and 62,543.64 is: 86,335.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,506 : 133,217.36 = 62,543.64 : x
  2. Step 2: Convert to fraction form
    96,506/133,217.36 = 62,543.64/x
  3. Step 3: Cross multiply
    96,506x = 133,217.36 × 62,543.64
  4. Step 4: Simplify right side
    96,506x = 8,331,898,605.59
  5. Step 5: Solve for x
    x = 8,331,898,605.59/96,506
  6. Step 6: Final answer
    x = 86,335.55

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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.