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Finding the Fourth Proportional to 65,177.52, 89,954.52 and 41,306.40

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Solution

The fourth proportional to 65,177.52, 89,954.52 and 41,306.40 is: 57,008.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,177.52 : 89,954.52 = 41,306.40 : x
  2. Step 2: Convert to fraction form
    65,177.52/89,954.52 = 41,306.40/x
  3. Step 3: Cross multiply
    65,177.52x = 89,954.52 × 41,306.40
  4. Step 4: Simplify right side
    65,177.52x = 3,715,697,384.93
  5. Step 5: Solve for x
    x = 3,715,697,384.93/65,177.52
  6. Step 6: Final answer
    x = 57,008.88

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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.