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Finding the Fourth Proportional to 92,598.57, 127,769.18 and 54,359.78

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Solution

The fourth proportional to 92,598.57, 127,769.18 and 54,359.78 is: 75,006.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,598.57 : 127,769.18 = 54,359.78 : x
  2. Step 2: Convert to fraction form
    92,598.57/127,769.18 = 54,359.78/x
  3. Step 3: Cross multiply
    92,598.57x = 127,769.18 × 54,359.78
  4. Step 4: Simplify right side
    92,598.57x = 6,945,503,604.94
  5. Step 5: Solve for x
    x = 6,945,503,604.94/92,598.57
  6. Step 6: Final answer
    x = 75,006.60

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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.