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Finding the Fourth Proportional to 80,592.60, 111,212.90 and 44,781.39

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Solution

The fourth proportional to 80,592.60, 111,212.90 and 44,781.39 is: 61,795.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,592.60 : 111,212.90 = 44,781.39 : x
  2. Step 2: Convert to fraction form
    80,592.60/111,212.90 = 44,781.39/x
  3. Step 3: Cross multiply
    80,592.60x = 111,212.90 × 44,781.39
  4. Step 4: Simplify right side
    80,592.60x = 4,980,268,024.02
  5. Step 5: Solve for x
    x = 4,980,268,024.02/80,592.60
  6. Step 6: Final answer
    x = 61,795.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.