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Finding the Fourth Proportional to 258,972.98, 357,437.84 and 174,040.83

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Solution

The fourth proportional to 258,972.98, 357,437.84 and 174,040.83 is: 240,213.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,972.98 : 357,437.84 = 174,040.83 : x
  2. Step 2: Convert to fraction form
    258,972.98/357,437.84 = 174,040.83/x
  3. Step 3: Cross multiply
    258,972.98x = 357,437.84 × 174,040.83
  4. Step 4: Simplify right side
    258,972.98x = 62,208,777,476.80
  5. Step 5: Solve for x
    x = 62,208,777,476.80/258,972.98
  6. Step 6: Final answer
    x = 240,213.39

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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.