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Finding the Fourth Proportional to 173,374.52, 260,269.14 and 103,286.84

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Solution

The fourth proportional to 173,374.52, 260,269.14 and 103,286.84 is: 155,053.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,374.52 : 260,269.14 = 103,286.84 : x
  2. Step 2: Convert to fraction form
    173,374.52/260,269.14 = 103,286.84/x
  3. Step 3: Cross multiply
    173,374.52x = 260,269.14 × 103,286.84
  4. Step 4: Simplify right side
    173,374.52x = 26,882,377,020.12
  5. Step 5: Solve for x
    x = 26,882,377,020.12/173,374.52
  6. Step 6: Final answer
    x = 155,053.79

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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.