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Finding the Fourth Proportional to 92,405.68, 127,519.22 and 52,119.78

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Solution

The fourth proportional to 92,405.68, 127,519.22 and 52,119.78 is: 71,924.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,405.68 : 127,519.22 = 52,119.78 : x
  2. Step 2: Convert to fraction form
    92,405.68/127,519.22 = 52,119.78/x
  3. Step 3: Cross multiply
    92,405.68x = 127,519.22 × 52,119.78
  4. Step 4: Simplify right side
    92,405.68x = 6,646,273,692.17
  5. Step 5: Solve for x
    x = 6,646,273,692.17/92,405.68
  6. Step 6: Final answer
    x = 71,924.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.