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Finding the Fourth Proportional to 91,001.88, 136,502.84 and 35,559

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Solution

The fourth proportional to 91,001.88, 136,502.84 and 35,559 is: 53,338.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,001.88 : 136,502.84 = 35,559 : x
  2. Step 2: Convert to fraction form
    91,001.88/136,502.84 = 35,559/x
  3. Step 3: Cross multiply
    91,001.88x = 136,502.84 × 35,559
  4. Step 4: Simplify right side
    91,001.88x = 4,853,904,487.56
  5. Step 5: Solve for x
    x = 4,853,904,487.56/91,001.88
  6. Step 6: Final answer
    x = 53,338.51

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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.