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Finding the Fourth Proportional to 159,081.70, 238,622.55 and 133,032.10

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Solution

The fourth proportional to 159,081.70, 238,622.55 and 133,032.10 is: 199,548.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,081.70 : 238,622.55 = 133,032.10 : x
  2. Step 2: Convert to fraction form
    159,081.70/238,622.55 = 133,032.10/x
  3. Step 3: Cross multiply
    159,081.70x = 238,622.55 × 133,032.10
  4. Step 4: Simplify right side
    159,081.70x = 31,744,458,933.86
  5. Step 5: Solve for x
    x = 31,744,458,933.86/159,081.70
  6. Step 6: Final answer
    x = 199,548.15

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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.