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Finding the Fourth Proportional to 258,381.68, 356,344.68 and 167,648.24

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Solution

The fourth proportional to 258,381.68, 356,344.68 and 167,648.24 is: 231,210.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,381.68 : 356,344.68 = 167,648.24 : x
  2. Step 2: Convert to fraction form
    258,381.68/356,344.68 = 167,648.24/x
  3. Step 3: Cross multiply
    258,381.68x = 356,344.68 × 167,648.24
  4. Step 4: Simplify right side
    258,381.68x = 59,740,558,435.36
  5. Step 5: Solve for x
    x = 59,740,558,435.36/258,381.68
  6. Step 6: Final answer
    x = 231,210.50

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.