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Finding the Fourth Proportional to 251,590.96, 377,306.48 and 83,079.88

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Solution

The fourth proportional to 251,590.96, 377,306.48 and 83,079.88 is: 124,593.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,590.96 : 377,306.48 = 83,079.88 : x
  2. Step 2: Convert to fraction form
    251,590.96/377,306.48 = 83,079.88/x
  3. Step 3: Cross multiply
    251,590.96x = 377,306.48 × 83,079.88
  4. Step 4: Simplify right side
    251,590.96x = 31,346,577,081.62
  5. Step 5: Solve for x
    x = 31,346,577,081.62/251,590.96
  6. Step 6: Final answer
    x = 124,593.42

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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.