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Finding the Fourth Proportional to 159,787.32, 239,452.56 and 117,334.32

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Solution

The fourth proportional to 159,787.32, 239,452.56 and 117,334.32 is: 175,833.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,787.32 : 239,452.56 = 117,334.32 : x
  2. Step 2: Convert to fraction form
    159,787.32/239,452.56 = 117,334.32/x
  3. Step 3: Cross multiply
    159,787.32x = 239,452.56 × 117,334.32
  4. Step 4: Simplify right side
    159,787.32x = 28,096,003,299.86
  5. Step 5: Solve for x
    x = 28,096,003,299.86/159,787.32
  6. Step 6: Final answer
    x = 175,833.75

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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.