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Finding the Fourth Proportional to 92,592.11, 127,689.36 and 63,865.87

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Solution

The fourth proportional to 92,592.11, 127,689.36 and 63,865.87 is: 88,074.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,592.11 : 127,689.36 = 63,865.87 : x
  2. Step 2: Convert to fraction form
    92,592.11/127,689.36 = 63,865.87/x
  3. Step 3: Cross multiply
    92,592.11x = 127,689.36 × 63,865.87
  4. Step 4: Simplify right side
    92,592.11x = 8,154,991,866.67
  5. Step 5: Solve for x
    x = 8,154,991,866.67/92,592.11
  6. Step 6: Final answer
    x = 88,074.37

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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.