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Finding the Fourth Proportional to 95,279.76, 142,926.12 and 28,713.96

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Solution

The fourth proportional to 95,279.76, 142,926.12 and 28,713.96 is: 43,072.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,279.76 : 142,926.12 = 28,713.96 : x
  2. Step 2: Convert to fraction form
    95,279.76/142,926.12 = 28,713.96/x
  3. Step 3: Cross multiply
    95,279.76x = 142,926.12 × 28,713.96
  4. Step 4: Simplify right side
    95,279.76x = 4,103,974,892.64
  5. Step 5: Solve for x
    x = 4,103,974,892.64/95,279.76
  6. Step 6: Final answer
    x = 43,072.89

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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.