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Finding the Fourth Proportional to 168,976.78, 233,239.92 and 97,404.64

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Solution

The fourth proportional to 168,976.78, 233,239.92 and 97,404.64 is: 134,448.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,976.78 : 233,239.92 = 97,404.64 : x
  2. Step 2: Convert to fraction form
    168,976.78/233,239.92 = 97,404.64/x
  3. Step 3: Cross multiply
    168,976.78x = 233,239.92 × 97,404.64
  4. Step 4: Simplify right side
    168,976.78x = 22,718,650,441.23
  5. Step 5: Solve for x
    x = 22,718,650,441.23/168,976.78
  6. Step 6: Final answer
    x = 134,448.36

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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.