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Finding the Fourth Proportional to 134,854.80, 202,363.20 and 55,960.80

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Solution

The fourth proportional to 134,854.80, 202,363.20 and 55,960.80 is: 83,974.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,854.80 : 202,363.20 = 55,960.80 : x
  2. Step 2: Convert to fraction form
    134,854.80/202,363.20 = 55,960.80/x
  3. Step 3: Cross multiply
    134,854.80x = 202,363.20 × 55,960.80
  4. Step 4: Simplify right side
    134,854.80x = 11,324,406,562.56
  5. Step 5: Solve for x
    x = 11,324,406,562.56/134,854.80
  6. Step 6: Final answer
    x = 83,974.81

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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.