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Finding the Fourth Proportional to 155,147.44, 232,726.20 and 42,836.08

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Solution

The fourth proportional to 155,147.44, 232,726.20 and 42,836.08 is: 64,255.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,147.44 : 232,726.20 = 42,836.08 : x
  2. Step 2: Convert to fraction form
    155,147.44/232,726.20 = 42,836.08/x
  3. Step 3: Cross multiply
    155,147.44x = 232,726.20 × 42,836.08
  4. Step 4: Simplify right side
    155,147.44x = 9,969,078,121.30
  5. Step 5: Solve for x
    x = 9,969,078,121.30/155,147.44
  6. Step 6: Final answer
    x = 64,255.51

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.