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Finding the Fourth Proportional to 185,843.16, 278,775.27 and 52,712.88

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Solution

The fourth proportional to 185,843.16, 278,775.27 and 52,712.88 is: 79,072.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,843.16 : 278,775.27 = 52,712.88 : x
  2. Step 2: Convert to fraction form
    185,843.16/278,775.27 = 52,712.88/x
  3. Step 3: Cross multiply
    185,843.16x = 278,775.27 × 52,712.88
  4. Step 4: Simplify right side
    185,843.16x = 14,695,046,309.07
  5. Step 5: Solve for x
    x = 14,695,046,309.07/185,843.16
  6. Step 6: Final answer
    x = 79,072.30

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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.