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Finding the Fourth Proportional to 252,778.35, 348,836.51 and 143,877.37

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Solution

The fourth proportional to 252,778.35, 348,836.51 and 143,877.37 is: 198,552.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,778.35 : 348,836.51 = 143,877.37 : x
  2. Step 2: Convert to fraction form
    252,778.35/348,836.51 = 143,877.37/x
  3. Step 3: Cross multiply
    252,778.35x = 348,836.51 × 143,877.37
  4. Step 4: Simplify right side
    252,778.35x = 50,189,678,027.30
  5. Step 5: Solve for x
    x = 50,189,678,027.30/252,778.35
  6. Step 6: Final answer
    x = 198,552.12

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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.