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Finding the Fourth Proportional to 101,163.20, 151,744.80 and 48,545.60

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Solution

The fourth proportional to 101,163.20, 151,744.80 and 48,545.60 is: 72,818.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,163.20 : 151,744.80 = 48,545.60 : x
  2. Step 2: Convert to fraction form
    101,163.20/151,744.80 = 48,545.60/x
  3. Step 3: Cross multiply
    101,163.20x = 151,744.80 × 48,545.60
  4. Step 4: Simplify right side
    101,163.20x = 7,366,542,362.88
  5. Step 5: Solve for x
    x = 7,366,542,362.88/101,163.20
  6. Step 6: Final answer
    x = 72,818.40

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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.