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Finding the Fourth Proportional to 124,714.87, 187,162.52 and 49,855.91

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Solution

The fourth proportional to 124,714.87, 187,162.52 and 49,855.91 is: 74,819.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,714.87 : 187,162.52 = 49,855.91 : x
  2. Step 2: Convert to fraction form
    124,714.87/187,162.52 = 49,855.91/x
  3. Step 3: Cross multiply
    124,714.87x = 187,162.52 × 49,855.91
  4. Step 4: Simplify right side
    124,714.87x = 9,331,158,014.70
  5. Step 5: Solve for x
    x = 9,331,158,014.70/124,714.87
  6. Step 6: Final answer
    x = 74,819.93

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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.