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Finding the Fourth Proportional to 107,327.80, 160,862.10 and 54,710.20

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Solution

The fourth proportional to 107,327.80, 160,862.10 and 54,710.20 is: 81,999.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,327.80 : 160,862.10 = 54,710.20 : x
  2. Step 2: Convert to fraction form
    107,327.80/160,862.10 = 54,710.20/x
  3. Step 3: Cross multiply
    107,327.80x = 160,862.10 × 54,710.20
  4. Step 4: Simplify right side
    107,327.80x = 8,800,797,663.42
  5. Step 5: Solve for x
    x = 8,800,797,663.42/107,327.80
  6. Step 6: Final answer
    x = 81,999.24

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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.