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Finding the Fourth Proportional to 181,505.80, 271,869.90 and 118,520.20

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Solution

The fourth proportional to 181,505.80, 271,869.90 and 118,520.20 is: 177,526.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,505.80 : 271,869.90 = 118,520.20 : x
  2. Step 2: Convert to fraction form
    181,505.80/271,869.90 = 118,520.20/x
  3. Step 3: Cross multiply
    181,505.80x = 271,869.90 × 118,520.20
  4. Step 4: Simplify right side
    181,505.80x = 32,222,074,921.98
  5. Step 5: Solve for x
    x = 32,222,074,921.98/181,505.80
  6. Step 6: Final answer
    x = 177,526.42

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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.