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Finding the Fourth Proportional to 258,867.87, 357,347.88 and 174,034.14

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Solution

The fourth proportional to 258,867.87, 357,347.88 and 174,034.14 is: 240,241.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,867.87 : 357,347.88 = 174,034.14 : x
  2. Step 2: Convert to fraction form
    258,867.87/357,347.88 = 174,034.14/x
  3. Step 3: Cross multiply
    258,867.87x = 357,347.88 × 174,034.14
  4. Step 4: Simplify right side
    258,867.87x = 62,190,730,976.62
  5. Step 5: Solve for x
    x = 62,190,730,976.62/258,867.87
  6. Step 6: Final answer
    x = 240,241.21

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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.