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Finding the Fourth Proportional to 123,875.70, 185,862.15 and 44,997.90

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Solution

The fourth proportional to 123,875.70, 185,862.15 and 44,997.90 is: 67,514.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,875.70 : 185,862.15 = 44,997.90 : x
  2. Step 2: Convert to fraction form
    123,875.70/185,862.15 = 44,997.90/x
  3. Step 3: Cross multiply
    123,875.70x = 185,862.15 × 44,997.90
  4. Step 4: Simplify right side
    123,875.70x = 8,363,406,439.49
  5. Step 5: Solve for x
    x = 8,363,406,439.49/123,875.70
  6. Step 6: Final answer
    x = 67,514.50

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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.