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Finding the Fourth Proportional to 124,366.64, 171,624.48 and 73,379.46

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Solution

The fourth proportional to 124,366.64, 171,624.48 and 73,379.46 is: 101,262.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,366.64 : 171,624.48 = 73,379.46 : x
  2. Step 2: Convert to fraction form
    124,366.64/171,624.48 = 73,379.46/x
  3. Step 3: Cross multiply
    124,366.64x = 171,624.48 × 73,379.46
  4. Step 4: Simplify right side
    124,366.64x = 12,593,711,665.18
  5. Step 5: Solve for x
    x = 12,593,711,665.18/124,366.64
  6. Step 6: Final answer
    x = 101,262.78

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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.