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Finding the Fourth Proportional to 177,794.32, 266,691.48 and 71,226.76

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Solution

The fourth proportional to 177,794.32, 266,691.48 and 71,226.76 is: 106,840.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,794.32 : 266,691.48 = 71,226.76 : x
  2. Step 2: Convert to fraction form
    177,794.32/266,691.48 = 71,226.76/x
  3. Step 3: Cross multiply
    177,794.32x = 266,691.48 × 71,226.76
  4. Step 4: Simplify right side
    177,794.32x = 18,995,570,040.00
  5. Step 5: Solve for x
    x = 18,995,570,040.00/177,794.32
  6. Step 6: Final answer
    x = 106,840.14

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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.