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Finding the Fourth Proportional to 247,304.43, 341,277.84 and 139,895.46

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Solution

The fourth proportional to 247,304.43, 341,277.84 and 139,895.46 is: 193,054.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,304.43 : 341,277.84 = 139,895.46 : x
  2. Step 2: Convert to fraction form
    247,304.43/341,277.84 = 139,895.46/x
  3. Step 3: Cross multiply
    247,304.43x = 341,277.84 × 139,895.46
  4. Step 4: Simplify right side
    247,304.43x = 47,743,220,414.61
  5. Step 5: Solve for x
    x = 47,743,220,414.61/247,304.43
  6. Step 6: Final answer
    x = 193,054.45

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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.