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Finding the Fourth Proportional to 95,923.20, 144,057.60 and 69,657.60

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Solution

The fourth proportional to 95,923.20, 144,057.60 and 69,657.60 is: 104,611.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,923.20 : 144,057.60 = 69,657.60 : x
  2. Step 2: Convert to fraction form
    95,923.20/144,057.60 = 69,657.60/x
  3. Step 3: Cross multiply
    95,923.20x = 144,057.60 × 69,657.60
  4. Step 4: Simplify right side
    95,923.20x = 10,034,706,677.76
  5. Step 5: Solve for x
    x = 10,034,706,677.76/95,923.20
  6. Step 6: Final answer
    x = 104,611.88

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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.