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Finding the Fourth Proportional to 367,127.20, 550,690.84 and 130,479.22

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Solution

The fourth proportional to 367,127.20, 550,690.84 and 130,479.22 is: 195,718.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,127.20 : 550,690.84 = 130,479.22 : x
  2. Step 2: Convert to fraction form
    367,127.20/550,690.84 = 130,479.22/x
  3. Step 3: Cross multiply
    367,127.20x = 550,690.84 × 130,479.22
  4. Step 4: Simplify right side
    367,127.20x = 71,853,711,264.34
  5. Step 5: Solve for x
    x = 71,853,711,264.34/367,127.20
  6. Step 6: Final answer
    x = 195,718.84

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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.