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Finding the Fourth Proportional to 258,862.75, 357,340.82 and 174,029.02

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Solution

The fourth proportional to 258,862.75, 357,340.82 and 174,029.02 is: 240,234.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,862.75 : 357,340.82 = 174,029.02 : x
  2. Step 2: Convert to fraction form
    258,862.75/357,340.82 = 174,029.02/x
  3. Step 3: Cross multiply
    258,862.75x = 357,340.82 × 174,029.02
  4. Step 4: Simplify right side
    258,862.75x = 62,187,672,710.60
  5. Step 5: Solve for x
    x = 62,187,672,710.60/258,862.75
  6. Step 6: Final answer
    x = 240,234.15

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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.