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Finding the Fourth Proportional to 96,181.20, 144,053.10 and 60,751.80

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Solution

The fourth proportional to 96,181.20, 144,053.10 and 60,751.80 is: 90,989.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,181.20 : 144,053.10 = 60,751.80 : x
  2. Step 2: Convert to fraction form
    96,181.20/144,053.10 = 60,751.80/x
  3. Step 3: Cross multiply
    96,181.20x = 144,053.10 × 60,751.80
  4. Step 4: Simplify right side
    96,181.20x = 8,751,485,120.58
  5. Step 5: Solve for x
    x = 8,751,485,120.58/96,181.20
  6. Step 6: Final answer
    x = 90,989.56

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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.