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Finding the Fourth Proportional to 252,187.89, 348,043.80 and 188,414.97

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Solution

The fourth proportional to 252,187.89, 348,043.80 and 188,414.97 is: 260,030.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,187.89 : 348,043.80 = 188,414.97 : x
  2. Step 2: Convert to fraction form
    252,187.89/348,043.80 = 188,414.97/x
  3. Step 3: Cross multiply
    252,187.89x = 348,043.80 × 188,414.97
  4. Step 4: Simplify right side
    252,187.89x = 65,576,662,135.69
  5. Step 5: Solve for x
    x = 65,576,662,135.69/252,187.89
  6. Step 6: Final answer
    x = 260,030.97

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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.