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Finding the Fourth Proportional to 268,932.60, 403,270.80 and 156,644.16

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Solution

The fourth proportional to 268,932.60, 403,270.80 and 156,644.16 is: 234,891.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,932.60 : 403,270.80 = 156,644.16 : x
  2. Step 2: Convert to fraction form
    268,932.60/403,270.80 = 156,644.16/x
  3. Step 3: Cross multiply
    268,932.60x = 403,270.80 × 156,644.16
  4. Step 4: Simplify right side
    268,932.60x = 63,170,015,718.53
  5. Step 5: Solve for x
    x = 63,170,015,718.53/268,932.60
  6. Step 6: Final answer
    x = 234,891.63

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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.