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Finding the Fourth Proportional to 114,016.60, 171,024.90 and 54,821.80

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Solution

The fourth proportional to 114,016.60, 171,024.90 and 54,821.80 is: 82,232.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,016.60 : 171,024.90 = 54,821.80 : x
  2. Step 2: Convert to fraction form
    114,016.60/171,024.90 = 54,821.80/x
  3. Step 3: Cross multiply
    114,016.60x = 171,024.90 × 54,821.80
  4. Step 4: Simplify right side
    114,016.60x = 9,375,892,862.82
  5. Step 5: Solve for x
    x = 9,375,892,862.82/114,016.60
  6. Step 6: Final answer
    x = 82,232.70

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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.