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Finding the Fourth Proportional to 92,487.87, 127,635.81 and 56,177.04

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Solution

The fourth proportional to 92,487.87, 127,635.81 and 56,177.04 is: 77,525.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,487.87 : 127,635.81 = 56,177.04 : x
  2. Step 2: Convert to fraction form
    92,487.87/127,635.81 = 56,177.04/x
  3. Step 3: Cross multiply
    92,487.87x = 127,635.81 × 56,177.04
  4. Step 4: Simplify right side
    92,487.87x = 7,170,202,003.80
  5. Step 5: Solve for x
    x = 7,170,202,003.80/92,487.87
  6. Step 6: Final answer
    x = 77,525.86

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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.