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Finding the Fourth Proportional to 185,879.87, 278,819.26 and 52,760.25

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Solution

The fourth proportional to 185,879.87, 278,819.26 and 52,760.25 is: 79,140.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,879.87 : 278,819.26 = 52,760.25 : x
  2. Step 2: Convert to fraction form
    185,879.87/278,819.26 = 52,760.25/x
  3. Step 3: Cross multiply
    185,879.87x = 278,819.26 × 52,760.25
  4. Step 4: Simplify right side
    185,879.87x = 14,710,573,862.42
  5. Step 5: Solve for x
    x = 14,710,573,862.42/185,879.87
  6. Step 6: Final answer
    x = 79,140.22

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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.