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Finding the Fourth Proportional to 258,966.82, 357,429.36 and 174,034.68

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Solution

The fourth proportional to 258,966.82, 357,429.36 and 174,034.68 is: 240,204.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,966.82 : 357,429.36 = 174,034.68 : x
  2. Step 2: Convert to fraction form
    258,966.82/357,429.36 = 174,034.68/x
  3. Step 3: Cross multiply
    258,966.82x = 357,429.36 × 174,034.68
  4. Step 4: Simplify right side
    258,966.82x = 62,205,101,632.88
  5. Step 5: Solve for x
    x = 62,205,101,632.88/258,966.82
  6. Step 6: Final answer
    x = 240,204.91

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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.