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Finding the Fourth Proportional to 80,920.79, 111,677.34 and 44,629.34

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Solution

The fourth proportional to 80,920.79, 111,677.34 and 44,629.34 is: 61,592.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,920.79 : 111,677.34 = 44,629.34 : x
  2. Step 2: Convert to fraction form
    80,920.79/111,677.34 = 44,629.34/x
  3. Step 3: Cross multiply
    80,920.79x = 111,677.34 × 44,629.34
  4. Step 4: Simplify right side
    80,920.79x = 4,984,085,356.04
  5. Step 5: Solve for x
    x = 4,984,085,356.04/80,920.79
  6. Step 6: Final answer
    x = 61,592.15

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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.