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Finding the Fourth Proportional to 258,161.66, 356,260.50 and 141,877.04

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Solution

The fourth proportional to 258,161.66, 356,260.50 and 141,877.04 is: 195,788.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,161.66 : 356,260.50 = 141,877.04 : x
  2. Step 2: Convert to fraction form
    258,161.66/356,260.50 = 141,877.04/x
  3. Step 3: Cross multiply
    258,161.66x = 356,260.50 × 141,877.04
  4. Step 4: Simplify right side
    258,161.66x = 50,545,185,208.92
  5. Step 5: Solve for x
    x = 50,545,185,208.92/258,161.66
  6. Step 6: Final answer
    x = 195,788.89

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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.