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Finding the Fourth Proportional to 73,124.75, 109,687.14 and 26,377.62

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Solution

The fourth proportional to 73,124.75, 109,687.14 and 26,377.62 is: 39,566.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,124.75 : 109,687.14 = 26,377.62 : x
  2. Step 2: Convert to fraction form
    73,124.75/109,687.14 = 26,377.62/x
  3. Step 3: Cross multiply
    73,124.75x = 109,687.14 × 26,377.62
  4. Step 4: Simplify right side
    73,124.75x = 2,893,285,697.81
  5. Step 5: Solve for x
    x = 2,893,285,697.81/73,124.75
  6. Step 6: Final answer
    x = 39,566.44

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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.