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Finding the Fourth Proportional to 91,269.66, 125,952.41 and 50,432.90

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Solution

The fourth proportional to 91,269.66, 125,952.41 and 50,432.90 is: 69,597.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,269.66 : 125,952.41 = 50,432.90 : x
  2. Step 2: Convert to fraction form
    91,269.66/125,952.41 = 50,432.90/x
  3. Step 3: Cross multiply
    91,269.66x = 125,952.41 × 50,432.90
  4. Step 4: Simplify right side
    91,269.66x = 6,352,145,502.73
  5. Step 5: Solve for x
    x = 6,352,145,502.73/91,269.66
  6. Step 6: Final answer
    x = 69,597.56

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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.