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Finding the Fourth Proportional to 96,626.80, 145,012.20 and 49,855.60

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Solution

The fourth proportional to 96,626.80, 145,012.20 and 49,855.60 is: 74,820.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,626.80 : 145,012.20 = 49,855.60 : x
  2. Step 2: Convert to fraction form
    96,626.80/145,012.20 = 49,855.60/x
  3. Step 3: Cross multiply
    96,626.80x = 145,012.20 × 49,855.60
  4. Step 4: Simplify right side
    96,626.80x = 7,229,670,238.32
  5. Step 5: Solve for x
    x = 7,229,670,238.32/96,626.80
  6. Step 6: Final answer
    x = 74,820.55

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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.