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Finding the Fourth Proportional to 138,592.55, 207,725.82 and 62,602.39

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Solution

The fourth proportional to 138,592.55, 207,725.82 and 62,602.39 is: 93,829.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,592.55 : 207,725.82 = 62,602.39 : x
  2. Step 2: Convert to fraction form
    138,592.55/207,725.82 = 62,602.39/x
  3. Step 3: Cross multiply
    138,592.55x = 207,725.82 × 62,602.39
  4. Step 4: Simplify right side
    138,592.55x = 13,004,132,181.36
  5. Step 5: Solve for x
    x = 13,004,132,181.36/138,592.55
  6. Step 6: Final answer
    x = 93,829.95

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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.