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Finding the Fourth Proportional to 160,851.60, 241,471.80 and 159,685.20

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Solution

The fourth proportional to 160,851.60, 241,471.80 and 159,685.20 is: 239,720.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,851.60 : 241,471.80 = 159,685.20 : x
  2. Step 2: Convert to fraction form
    160,851.60/241,471.80 = 159,685.20/x
  3. Step 3: Cross multiply
    160,851.60x = 241,471.80 × 159,685.20
  4. Step 4: Simplify right side
    160,851.60x = 38,559,472,677.36
  5. Step 5: Solve for x
    x = 38,559,472,677.36/160,851.60
  6. Step 6: Final answer
    x = 239,720.79

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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.