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Finding the Fourth Proportional to 252,222.82, 348,069.82 and 139,049.62

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Solution

The fourth proportional to 252,222.82, 348,069.82 and 139,049.62 is: 191,889.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,222.82 : 348,069.82 = 139,049.62 : x
  2. Step 2: Convert to fraction form
    252,222.82/348,069.82 = 139,049.62/x
  3. Step 3: Cross multiply
    252,222.82x = 348,069.82 × 139,049.62
  4. Step 4: Simplify right side
    252,222.82x = 48,398,976,204.47
  5. Step 5: Solve for x
    x = 48,398,976,204.47/252,222.82
  6. Step 6: Final answer
    x = 191,889.76

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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.