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Finding the Fourth Proportional to 181,117.20, 271,567.80 and 111,046.80

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Solution

The fourth proportional to 181,117.20, 271,567.80 and 111,046.80 is: 166,503.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,117.20 : 271,567.80 = 111,046.80 : x
  2. Step 2: Convert to fraction form
    181,117.20/271,567.80 = 111,046.80/x
  3. Step 3: Cross multiply
    181,117.20x = 271,567.80 × 111,046.80
  4. Step 4: Simplify right side
    181,117.20x = 30,156,735,173.04
  5. Step 5: Solve for x
    x = 30,156,735,173.04/181,117.20
  6. Step 6: Final answer
    x = 166,503.98

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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.