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Finding the Fourth Proportional to 120,167.96, 180,277.80 and 35,934.80

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Solution

The fourth proportional to 120,167.96, 180,277.80 and 35,934.80 is: 53,909.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,167.96 : 180,277.80 = 35,934.80 : x
  2. Step 2: Convert to fraction form
    120,167.96/180,277.80 = 35,934.80/x
  3. Step 3: Cross multiply
    120,167.96x = 180,277.80 × 35,934.80
  4. Step 4: Simplify right side
    120,167.96x = 6,478,246,687.44
  5. Step 5: Solve for x
    x = 6,478,246,687.44/120,167.96
  6. Step 6: Final answer
    x = 53,909.93

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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.