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Finding the Fourth Proportional to 114,098.55, 171,231.92 and 54,127.21

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Solution

The fourth proportional to 114,098.55, 171,231.92 and 54,127.21 is: 81,230.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,098.55 : 171,231.92 = 54,127.21 : x
  2. Step 2: Convert to fraction form
    114,098.55/171,231.92 = 54,127.21/x
  3. Step 3: Cross multiply
    114,098.55x = 171,231.92 × 54,127.21
  4. Step 4: Simplify right side
    114,098.55x = 9,268,306,092.54
  5. Step 5: Solve for x
    x = 9,268,306,092.54/114,098.55
  6. Step 6: Final answer
    x = 81,230.71

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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.