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Finding the Fourth Proportional to 134,744.60, 202,141.20 and 55,866.80

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Solution

The fourth proportional to 134,744.60, 202,141.20 and 55,866.80 is: 83,810.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,744.60 : 202,141.20 = 55,866.80 : x
  2. Step 2: Convert to fraction form
    134,744.60/202,141.20 = 55,866.80/x
  3. Step 3: Cross multiply
    134,744.60x = 202,141.20 × 55,866.80
  4. Step 4: Simplify right side
    134,744.60x = 11,292,981,992.16
  5. Step 5: Solve for x
    x = 11,292,981,992.16/134,744.60
  6. Step 6: Final answer
    x = 83,810.28

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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.