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Finding the Fourth Proportional to 178,154.40, 266,799.60 and 94,864.80

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Solution

The fourth proportional to 178,154.40, 266,799.60 and 94,864.80 is: 142,067.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,154.40 : 266,799.60 = 94,864.80 : x
  2. Step 2: Convert to fraction form
    178,154.40/266,799.60 = 94,864.80/x
  3. Step 3: Cross multiply
    178,154.40x = 266,799.60 × 94,864.80
  4. Step 4: Simplify right side
    178,154.40x = 25,309,890,694.08
  5. Step 5: Solve for x
    x = 25,309,890,694.08/178,154.40
  6. Step 6: Final answer
    x = 142,067.17

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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.