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Finding the Fourth Proportional to 168,876.99, 233,081.55 and 108,523.08

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Solution

The fourth proportional to 168,876.99, 233,081.55 and 108,523.08 is: 149,781.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,876.99 : 233,081.55 = 108,523.08 : x
  2. Step 2: Convert to fraction form
    168,876.99/233,081.55 = 108,523.08/x
  3. Step 3: Cross multiply
    168,876.99x = 233,081.55 × 108,523.08
  4. Step 4: Simplify right side
    168,876.99x = 25,294,727,697.17
  5. Step 5: Solve for x
    x = 25,294,727,697.17/168,876.99
  6. Step 6: Final answer
    x = 149,781.97

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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.