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Finding the Fourth Proportional to 252,061.62, 347,844.38 and 138,884.36

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Solution

The fourth proportional to 252,061.62, 347,844.38 and 138,884.36 is: 191,660.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,061.62 : 347,844.38 = 138,884.36 : x
  2. Step 2: Convert to fraction form
    252,061.62/347,844.38 = 138,884.36/x
  3. Step 3: Cross multiply
    252,061.62x = 347,844.38 × 138,884.36
  4. Step 4: Simplify right side
    252,061.62x = 48,310,144,095.90
  5. Step 5: Solve for x
    x = 48,310,144,095.90/252,061.62
  6. Step 6: Final answer
    x = 191,660.06

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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.