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Finding the Fourth Proportional to 80,045.60, 120,084.48 and 23,886.56

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Solution

The fourth proportional to 80,045.60, 120,084.48 and 23,886.56 is: 35,834.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,045.60 : 120,084.48 = 23,886.56 : x
  2. Step 2: Convert to fraction form
    80,045.60/120,084.48 = 23,886.56/x
  3. Step 3: Cross multiply
    80,045.60x = 120,084.48 × 23,886.56
  4. Step 4: Simplify right side
    80,045.60x = 2,868,405,136.59
  5. Step 5: Solve for x
    x = 2,868,405,136.59/80,045.60
  6. Step 6: Final answer
    x = 35,834.64

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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.