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Finding the Fourth Proportional to 123,808.74, 185,725.44 and 44,929.14

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Solution

The fourth proportional to 123,808.74, 185,725.44 and 44,929.14 is: 67,398.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,808.74 : 185,725.44 = 44,929.14 : x
  2. Step 2: Convert to fraction form
    123,808.74/185,725.44 = 44,929.14/x
  3. Step 3: Cross multiply
    123,808.74x = 185,725.44 × 44,929.14
  4. Step 4: Simplify right side
    123,808.74x = 8,344,484,295.32
  5. Step 5: Solve for x
    x = 8,344,484,295.32/123,808.74
  6. Step 6: Final answer
    x = 67,398.18

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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.