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Finding the Fourth Proportional to 252,592.08, 378,950.52 and 75,098.28

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Solution

The fourth proportional to 252,592.08, 378,950.52 and 75,098.28 is: 112,665.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,592.08 : 378,950.52 = 75,098.28 : x
  2. Step 2: Convert to fraction form
    252,592.08/378,950.52 = 75,098.28/x
  3. Step 3: Cross multiply
    252,592.08x = 378,950.52 × 75,098.28
  4. Step 4: Simplify right side
    252,592.08x = 28,458,532,257.11
  5. Step 5: Solve for x
    x = 28,458,532,257.11/252,592.08
  6. Step 6: Final answer
    x = 112,665.97

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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.