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Finding the Fourth Proportional to 252,773.66, 348,830.03 and 143,872.68

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Solution

The fourth proportional to 252,773.66, 348,830.03 and 143,872.68 is: 198,545.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,773.66 : 348,830.03 = 143,872.68 : x
  2. Step 2: Convert to fraction form
    252,773.66/348,830.03 = 143,872.68/x
  3. Step 3: Cross multiply
    252,773.66x = 348,830.03 × 143,872.68
  4. Step 4: Simplify right side
    252,773.66x = 50,187,110,561.22
  5. Step 5: Solve for x
    x = 50,187,110,561.22/252,773.66
  6. Step 6: Final answer
    x = 198,545.65

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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.