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Finding the Fourth Proportional to 247,805.14, 341,972.73 and 134,627.86

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Solution

The fourth proportional to 247,805.14, 341,972.73 and 134,627.86 is: 185,787.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,805.14 : 341,972.73 = 134,627.86 : x
  2. Step 2: Convert to fraction form
    247,805.14/341,972.73 = 134,627.86/x
  3. Step 3: Cross multiply
    247,805.14x = 341,972.73 × 134,627.86
  4. Step 4: Simplify right side
    247,805.14x = 46,039,056,818.26
  5. Step 5: Solve for x
    x = 46,039,056,818.26/247,805.14
  6. Step 6: Final answer
    x = 185,787.34

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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.