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Finding the Fourth Proportional to 159,242.63, 238,900.85 and 54,061.60

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Solution

The fourth proportional to 159,242.63, 238,900.85 and 54,061.60 is: 81,104.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,242.63 : 238,900.85 = 54,061.60 : x
  2. Step 2: Convert to fraction form
    159,242.63/238,900.85 = 54,061.60/x
  3. Step 3: Cross multiply
    159,242.63x = 238,900.85 × 54,061.60
  4. Step 4: Simplify right side
    159,242.63x = 12,915,361,324.80
  5. Step 5: Solve for x
    x = 12,915,361,324.80/159,242.63
  6. Step 6: Final answer
    x = 81,104.93

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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.