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Finding the Fourth Proportional to 170,115.99, 234,744.78 and 98,500.83

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Solution

The fourth proportional to 170,115.99, 234,744.78 and 98,500.83 is: 135,922.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,115.99 : 234,744.78 = 98,500.83 : x
  2. Step 2: Convert to fraction form
    170,115.99/234,744.78 = 98,500.83/x
  3. Step 3: Cross multiply
    170,115.99x = 234,744.78 × 98,500.83
  4. Step 4: Simplify right side
    170,115.99x = 23,122,555,668.17
  5. Step 5: Solve for x
    x = 23,122,555,668.17/170,115.99
  6. Step 6: Final answer
    x = 135,922.29

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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.