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Finding the Fourth Proportional to 159,634.62, 238,043.61 and 151,785.90

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Solution

The fourth proportional to 159,634.62, 238,043.61 and 151,785.90 is: 226,339.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,634.62 : 238,043.61 = 151,785.90 : x
  2. Step 2: Convert to fraction form
    159,634.62/238,043.61 = 151,785.90/x
  3. Step 3: Cross multiply
    159,634.62x = 238,043.61 × 151,785.90
  4. Step 4: Simplify right side
    159,634.62x = 36,131,663,583.10
  5. Step 5: Solve for x
    x = 36,131,663,583.10/159,634.62
  6. Step 6: Final answer
    x = 226,339.77

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.