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Finding the Fourth Proportional to 136,041.31, 204,061.69 and 36,201.52

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Solution

The fourth proportional to 136,041.31, 204,061.69 and 36,201.52 is: 54,302.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,041.31 : 204,061.69 = 36,201.52 : x
  2. Step 2: Convert to fraction form
    136,041.31/204,061.69 = 36,201.52/x
  3. Step 3: Cross multiply
    136,041.31x = 204,061.69 × 36,201.52
  4. Step 4: Simplify right side
    136,041.31x = 7,387,343,351.77
  5. Step 5: Solve for x
    x = 7,387,343,351.77/136,041.31
  6. Step 6: Final answer
    x = 54,302.21

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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.