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Finding the Fourth Proportional to 159,074.70, 238,612.05 and 133,025.10

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Solution

The fourth proportional to 159,074.70, 238,612.05 and 133,025.10 is: 199,537.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,074.70 : 238,612.05 = 133,025.10 : x
  2. Step 2: Convert to fraction form
    159,074.70/238,612.05 = 133,025.10/x
  3. Step 3: Cross multiply
    159,074.70x = 238,612.05 × 133,025.10
  4. Step 4: Simplify right side
    159,074.70x = 31,741,391,812.46
  5. Step 5: Solve for x
    x = 31,741,391,812.46/159,074.70
  6. Step 6: Final answer
    x = 199,537.65

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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.