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Finding the Fourth Proportional to 178,046.32, 266,772.84 and 125,344.84

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Solution

The fourth proportional to 178,046.32, 266,772.84 and 125,344.84 is: 187,808.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,046.32 : 266,772.84 = 125,344.84 : x
  2. Step 2: Convert to fraction form
    178,046.32/266,772.84 = 125,344.84/x
  3. Step 3: Cross multiply
    178,046.32x = 266,772.84 × 125,344.84
  4. Step 4: Simplify right side
    178,046.32x = 33,438,598,946.15
  5. Step 5: Solve for x
    x = 33,438,598,946.15/178,046.32
  6. Step 6: Final answer
    x = 187,808.43

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1.5x scale

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.