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Finding the Fourth Proportional to 181,508.80, 271,874.40 and 118,523.20

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Solution

The fourth proportional to 181,508.80, 271,874.40 and 118,523.20 is: 177,530.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,508.80 : 271,874.40 = 118,523.20 : x
  2. Step 2: Convert to fraction form
    181,508.80/271,874.40 = 118,523.20/x
  3. Step 3: Cross multiply
    181,508.80x = 271,874.40 × 118,523.20
  4. Step 4: Simplify right side
    181,508.80x = 32,223,423,886.08
  5. Step 5: Solve for x
    x = 32,223,423,886.08/181,508.80
  6. Step 6: Final answer
    x = 177,530.92

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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.