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Finding the Fourth Proportional to 95,678.59, 132,041.87 and 54,849.50

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Solution

The fourth proportional to 95,678.59, 132,041.87 and 54,849.50 is: 75,695.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,678.59 : 132,041.87 = 54,849.50 : x
  2. Step 2: Convert to fraction form
    95,678.59/132,041.87 = 54,849.50/x
  3. Step 3: Cross multiply
    95,678.59x = 132,041.87 × 54,849.50
  4. Step 4: Simplify right side
    95,678.59x = 7,242,431,211.95
  5. Step 5: Solve for x
    x = 7,242,431,211.95/95,678.59
  6. Step 6: Final answer
    x = 75,695.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.