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Finding the Fourth Proportional to 80,755.40, 111,441.35 and 44,945.42

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Solution

The fourth proportional to 80,755.40, 111,441.35 and 44,945.42 is: 62,024.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,755.40 : 111,441.35 = 44,945.42 : x
  2. Step 2: Convert to fraction form
    80,755.40/111,441.35 = 44,945.42/x
  3. Step 3: Cross multiply
    80,755.40x = 111,441.35 × 44,945.42
  4. Step 4: Simplify right side
    80,755.40x = 5,008,778,056.39
  5. Step 5: Solve for x
    x = 5,008,778,056.39/80,755.40
  6. Step 6: Final answer
    x = 62,024.06

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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.