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Finding the Fourth Proportional to 73,862.20, 110,813.10 and 29,520.10

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Solution

The fourth proportional to 73,862.20, 110,813.10 and 29,520.10 is: 44,288.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,862.20 : 110,813.10 = 29,520.10 : x
  2. Step 2: Convert to fraction form
    73,862.20/110,813.10 = 29,520.10/x
  3. Step 3: Cross multiply
    73,862.20x = 110,813.10 × 29,520.10
  4. Step 4: Simplify right side
    73,862.20x = 3,271,213,793.31
  5. Step 5: Solve for x
    x = 3,271,213,793.31/73,862.20
  6. Step 6: Final answer
    x = 44,288.06

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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.