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Finding the Fourth Proportional to 134,767.80, 202,200.30 and 55,906.20

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Solution

The fourth proportional to 134,767.80, 202,200.30 and 55,906.20 is: 83,879.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,767.80 : 202,200.30 = 55,906.20 : x
  2. Step 2: Convert to fraction form
    134,767.80/202,200.30 = 55,906.20/x
  3. Step 3: Cross multiply
    134,767.80x = 202,200.30 × 55,906.20
  4. Step 4: Simplify right side
    134,767.80x = 11,304,250,411.86
  5. Step 5: Solve for x
    x = 11,304,250,411.86/134,767.80
  6. Step 6: Final answer
    x = 83,879.46

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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.