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Finding the Fourth Proportional to 177,785.30, 266,985.15 and 94,841.30

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Solution

The fourth proportional to 177,785.30, 266,985.15 and 94,841.30 is: 142,425.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,785.30 : 266,985.15 = 94,841.30 : x
  2. Step 2: Convert to fraction form
    177,785.30/266,985.15 = 94,841.30/x
  3. Step 3: Cross multiply
    177,785.30x = 266,985.15 × 94,841.30
  4. Step 4: Simplify right side
    177,785.30x = 25,321,218,706.70
  5. Step 5: Solve for x
    x = 25,321,218,706.70/177,785.30
  6. Step 6: Final answer
    x = 142,425.83

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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.