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Finding the Fourth Proportional to 106,540.80, 159,753.60 and 44,217.60

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Solution

The fourth proportional to 106,540.80, 159,753.60 and 44,217.60 is: 66,302.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,540.80 : 159,753.60 = 44,217.60 : x
  2. Step 2: Convert to fraction form
    106,540.80/159,753.60 = 44,217.60/x
  3. Step 3: Cross multiply
    106,540.80x = 159,753.60 × 44,217.60
  4. Step 4: Simplify right side
    106,540.80x = 7,063,920,783.36
  5. Step 5: Solve for x
    x = 7,063,920,783.36/106,540.80
  6. Step 6: Final answer
    x = 66,302.49

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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.