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Finding the Fourth Proportional to 159,044.32, 238,418.16 and 53,790.04

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Solution

The fourth proportional to 159,044.32, 238,418.16 and 53,790.04 is: 80,634.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,044.32 : 238,418.16 = 53,790.04 : x
  2. Step 2: Convert to fraction form
    159,044.32/238,418.16 = 53,790.04/x
  3. Step 3: Cross multiply
    159,044.32x = 238,418.16 × 53,790.04
  4. Step 4: Simplify right side
    159,044.32x = 12,824,522,363.13
  5. Step 5: Solve for x
    x = 12,824,522,363.13/159,044.32
  6. Step 6: Final answer
    x = 80,634.90

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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.