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Finding the Fourth Proportional to 91,614.96, 137,463.75 and 58,326.39

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Solution

The fourth proportional to 91,614.96, 137,463.75 and 58,326.39 is: 87,515.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,614.96 : 137,463.75 = 58,326.39 : x
  2. Step 2: Convert to fraction form
    91,614.96/137,463.75 = 58,326.39/x
  3. Step 3: Cross multiply
    91,614.96x = 137,463.75 × 58,326.39
  4. Step 4: Simplify right side
    91,614.96x = 8,017,764,293.36
  5. Step 5: Solve for x
    x = 8,017,764,293.36/91,614.96
  6. Step 6: Final answer
    x = 87,515.88

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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.