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Finding the Fourth Proportional to 251,306.89, 376,748.38 and 109,044.93

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Solution

The fourth proportional to 251,306.89, 376,748.38 and 109,044.93 is: 163,475.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,306.89 : 376,748.38 = 109,044.93 : x
  2. Step 2: Convert to fraction form
    251,306.89/376,748.38 = 109,044.93/x
  3. Step 3: Cross multiply
    251,306.89x = 376,748.38 × 109,044.93
  4. Step 4: Simplify right side
    251,306.89x = 41,082,502,273.83
  5. Step 5: Solve for x
    x = 41,082,502,273.83/251,306.89
  6. Step 6: Final answer
    x = 163,475.43

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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.