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Finding the Fourth Proportional to 91,902.74, 137,862.63 and 35,747.13

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Solution

The fourth proportional to 91,902.74, 137,862.63 and 35,747.13 is: 53,624.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,902.74 : 137,862.63 = 35,747.13 : x
  2. Step 2: Convert to fraction form
    91,902.74/137,862.63 = 35,747.13/x
  3. Step 3: Cross multiply
    91,902.74x = 137,862.63 × 35,747.13
  4. Step 4: Simplify right side
    91,902.74x = 4,928,193,356.75
  5. Step 5: Solve for x
    x = 4,928,193,356.75/91,902.74
  6. Step 6: Final answer
    x = 53,624.01

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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.