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Finding the Fourth Proportional to 185,873.11, 278,809.15 and 52,753.49

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Solution

The fourth proportional to 185,873.11, 278,809.15 and 52,753.49 is: 79,130.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,873.11 : 278,809.15 = 52,753.49 : x
  2. Step 2: Convert to fraction form
    185,873.11/278,809.15 = 52,753.49/x
  3. Step 3: Cross multiply
    185,873.11x = 278,809.15 × 52,753.49
  4. Step 4: Simplify right side
    185,873.11x = 14,708,155,442.67
  5. Step 5: Solve for x
    x = 14,708,155,442.67/185,873.11
  6. Step 6: Final answer
    x = 79,130.09

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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.