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Finding the Fourth Proportional to 147,175.80, 220,763.70 and 36,367.80

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Solution

The fourth proportional to 147,175.80, 220,763.70 and 36,367.80 is: 54,551.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,175.80 : 220,763.70 = 36,367.80 : x
  2. Step 2: Convert to fraction form
    147,175.80/220,763.70 = 36,367.80/x
  3. Step 3: Cross multiply
    147,175.80x = 220,763.70 × 36,367.80
  4. Step 4: Simplify right side
    147,175.80x = 8,028,690,088.86
  5. Step 5: Solve for x
    x = 8,028,690,088.86/147,175.80
  6. Step 6: Final answer
    x = 54,551.70

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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.