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Finding the Fourth Proportional to 61,725.34, 92,711.03 and 58,243.76

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Solution

The fourth proportional to 61,725.34, 92,711.03 and 58,243.76 is: 87,481.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,725.34 : 92,711.03 = 58,243.76 : x
  2. Step 2: Convert to fraction form
    61,725.34/92,711.03 = 58,243.76/x
  3. Step 3: Cross multiply
    61,725.34x = 92,711.03 × 58,243.76
  4. Step 4: Simplify right side
    61,725.34x = 5,399,838,901.19
  5. Step 5: Solve for x
    x = 5,399,838,901.19/61,725.34
  6. Step 6: Final answer
    x = 87,481.72

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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.