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Finding the Fourth Proportional to 173,751.12, 239,781.60 and 98,298

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Solution

The fourth proportional to 173,751.12, 239,781.60 and 98,298 is: 135,654.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,751.12 : 239,781.60 = 98,298 : x
  2. Step 2: Convert to fraction form
    173,751.12/239,781.60 = 98,298/x
  3. Step 3: Cross multiply
    173,751.12x = 239,781.60 × 98,298
  4. Step 4: Simplify right side
    173,751.12x = 23,570,051,716.80
  5. Step 5: Solve for x
    x = 23,570,051,716.80/173,751.12
  6. Step 6: Final answer
    x = 135,654.10

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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.