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Finding the Fourth Proportional to 252,773.41, 348,829.69 and 143,872.43

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Solution

The fourth proportional to 252,773.41, 348,829.69 and 143,872.43 is: 198,545.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,773.41 : 348,829.69 = 143,872.43 : x
  2. Step 2: Convert to fraction form
    252,773.41/348,829.69 = 143,872.43/x
  3. Step 3: Cross multiply
    252,773.41x = 348,829.69 × 143,872.43
  4. Step 4: Simplify right side
    252,773.41x = 50,186,974,437.08
  5. Step 5: Solve for x
    x = 50,186,974,437.08/252,773.41
  6. Step 6: Final answer
    x = 198,545.31

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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.