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Finding the Fourth Proportional to 120,843.60, 181,265.40 and 32,110.80

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Solution

The fourth proportional to 120,843.60, 181,265.40 and 32,110.80 is: 48,166.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,843.60 : 181,265.40 = 32,110.80 : x
  2. Step 2: Convert to fraction form
    120,843.60/181,265.40 = 32,110.80/x
  3. Step 3: Cross multiply
    120,843.60x = 181,265.40 × 32,110.80
  4. Step 4: Simplify right side
    120,843.60x = 5,820,577,006.32
  5. Step 5: Solve for x
    x = 5,820,577,006.32/120,843.60
  6. Step 6: Final answer
    x = 48,166.20

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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.