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Finding the Fourth Proportional to 110,069.65, 151,912.17 and 61,674.85

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Solution

The fourth proportional to 110,069.65, 151,912.17 and 61,674.85 is: 85,120.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,069.65 : 151,912.17 = 61,674.85 : x
  2. Step 2: Convert to fraction form
    110,069.65/151,912.17 = 61,674.85/x
  3. Step 3: Cross multiply
    110,069.65x = 151,912.17 × 61,674.85
  4. Step 4: Simplify right side
    110,069.65x = 9,369,160,297.92
  5. Step 5: Solve for x
    x = 9,369,160,297.92/110,069.65
  6. Step 6: Final answer
    x = 85,120.29

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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.