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Finding the Fourth Proportional to 181,243.20, 271,864.32 and 118,898.88

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Solution

The fourth proportional to 181,243.20, 271,864.32 and 118,898.88 is: 178,348.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,243.20 : 271,864.32 = 118,898.88 : x
  2. Step 2: Convert to fraction form
    181,243.20/271,864.32 = 118,898.88/x
  3. Step 3: Cross multiply
    181,243.20x = 271,864.32 × 118,898.88
  4. Step 4: Simplify right side
    181,243.20x = 32,324,363,159.96
  5. Step 5: Solve for x
    x = 32,324,363,159.96/181,243.20
  6. Step 6: Final answer
    x = 178,348.01

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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.