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Finding the Fourth Proportional to 181,803.90, 272,377.80 and 160,808.70

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Solution

The fourth proportional to 181,803.90, 272,377.80 and 160,808.70 is: 240,922.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,803.90 : 272,377.80 = 160,808.70 : x
  2. Step 2: Convert to fraction form
    181,803.90/272,377.80 = 160,808.70/x
  3. Step 3: Cross multiply
    181,803.90x = 272,377.80 × 160,808.70
  4. Step 4: Simplify right side
    181,803.90x = 43,800,719,926.86
  5. Step 5: Solve for x
    x = 43,800,719,926.86/181,803.90
  6. Step 6: Final answer
    x = 240,922.88

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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.