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Finding the Fourth Proportional to 265,060.12, 397,717.90 and 131,952.10

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Solution

The fourth proportional to 265,060.12, 397,717.90 and 131,952.10 is: 197,991.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,060.12 : 397,717.90 = 131,952.10 : x
  2. Step 2: Convert to fraction form
    265,060.12/397,717.90 = 131,952.10/x
  3. Step 3: Cross multiply
    265,060.12x = 397,717.90 × 131,952.10
  4. Step 4: Simplify right side
    265,060.12x = 52,479,712,112.59
  5. Step 5: Solve for x
    x = 52,479,712,112.59/265,060.12
  6. Step 6: Final answer
    x = 197,991.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.