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Finding the Fourth Proportional to 252,814.13, 348,881.13 and 138,092.73

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Solution

The fourth proportional to 252,814.13, 348,881.13 and 138,092.73 is: 190,566.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,814.13 : 348,881.13 = 138,092.73 : x
  2. Step 2: Convert to fraction form
    252,814.13/348,881.13 = 138,092.73/x
  3. Step 3: Cross multiply
    252,814.13x = 348,881.13 × 138,092.73
  4. Step 4: Simplify right side
    252,814.13x = 48,177,947,687.18
  5. Step 5: Solve for x
    x = 48,177,947,687.18/252,814.13
  6. Step 6: Final answer
    x = 190,566.68

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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.