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Finding the Fourth Proportional to 73,559.70, 110,120.85 and 73,559.70

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Solution

The fourth proportional to 73,559.70, 110,120.85 and 73,559.70 is: 110,120.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,559.70 : 110,120.85 = 73,559.70 : x
  2. Step 2: Convert to fraction form
    73,559.70/110,120.85 = 73,559.70/x
  3. Step 3: Cross multiply
    73,559.70x = 110,120.85 × 73,559.70
  4. Step 4: Simplify right side
    73,559.70x = 8,100,456,689.75
  5. Step 5: Solve for x
    x = 8,100,456,689.75/73,559.70
  6. Step 6: Final answer
    x = 110,120.85

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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.