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Finding the Fourth Proportional to 159,003.66, 238,516.53 and 53,787.06

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Solution

The fourth proportional to 159,003.66, 238,516.53 and 53,787.06 is: 80,684.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,003.66 : 238,516.53 = 53,787.06 : x
  2. Step 2: Convert to fraction form
    159,003.66/238,516.53 = 53,787.06/x
  3. Step 3: Cross multiply
    159,003.66x = 238,516.53 × 53,787.06
  4. Step 4: Simplify right side
    159,003.66x = 12,829,102,910.10
  5. Step 5: Solve for x
    x = 12,829,102,910.10/159,003.66
  6. Step 6: Final answer
    x = 80,684.32

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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.