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Finding the Fourth Proportional to 169,608.93, 234,043.75 and 97,987.42

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Solution

The fourth proportional to 169,608.93, 234,043.75 and 97,987.42 is: 135,213.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,608.93 : 234,043.75 = 97,987.42 : x
  2. Step 2: Convert to fraction form
    169,608.93/234,043.75 = 97,987.42/x
  3. Step 3: Cross multiply
    169,608.93x = 234,043.75 × 97,987.42
  4. Step 4: Simplify right side
    169,608.93x = 22,933,341,569.47
  5. Step 5: Solve for x
    x = 22,933,341,569.47/169,608.93
  6. Step 6: Final answer
    x = 135,213.05

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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.