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Finding the Fourth Proportional to 177,679.80, 266,174.10 and 107,350.20

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Solution

The fourth proportional to 177,679.80, 266,174.10 and 107,350.20 is: 160,816.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,679.80 : 266,174.10 = 107,350.20 : x
  2. Step 2: Convert to fraction form
    177,679.80/266,174.10 = 107,350.20/x
  3. Step 3: Cross multiply
    177,679.80x = 266,174.10 × 107,350.20
  4. Step 4: Simplify right side
    177,679.80x = 28,573,842,869.82
  5. Step 5: Solve for x
    x = 28,573,842,869.82/177,679.80
  6. Step 6: Final answer
    x = 160,816.50

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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.