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Finding the Fourth Proportional to 80,478.76, 111,055.08 and 44,174.56

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Solution

The fourth proportional to 80,478.76, 111,055.08 and 44,174.56 is: 60,957.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,478.76 : 111,055.08 = 44,174.56 : x
  2. Step 2: Convert to fraction form
    80,478.76/111,055.08 = 44,174.56/x
  3. Step 3: Cross multiply
    80,478.76x = 111,055.08 × 44,174.56
  4. Step 4: Simplify right side
    80,478.76x = 4,905,809,294.76
  5. Step 5: Solve for x
    x = 4,905,809,294.76/80,478.76
  6. Step 6: Final answer
    x = 60,957.81

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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.