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Finding the Fourth Proportional to 185,874.11, 278,810.65 and 52,754.49

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Solution

The fourth proportional to 185,874.11, 278,810.65 and 52,754.49 is: 79,131.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,874.11 : 278,810.65 = 52,754.49 : x
  2. Step 2: Convert to fraction form
    185,874.11/278,810.65 = 52,754.49/x
  3. Step 3: Cross multiply
    185,874.11x = 278,810.65 × 52,754.49
  4. Step 4: Simplify right side
    185,874.11x = 14,708,513,383.55
  5. Step 5: Solve for x
    x = 14,708,513,383.55/185,874.11
  6. Step 6: Final answer
    x = 79,131.59

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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.