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Finding the Fourth Proportional to 247,671.42, 341,789.67 and 134,496.06

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Solution

The fourth proportional to 247,671.42, 341,789.67 and 134,496.06 is: 185,606.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,671.42 : 341,789.67 = 134,496.06 : x
  2. Step 2: Convert to fraction form
    247,671.42/341,789.67 = 134,496.06/x
  3. Step 3: Cross multiply
    247,671.42x = 341,789.67 × 134,496.06
  4. Step 4: Simplify right side
    247,671.42x = 45,969,363,963.70
  5. Step 5: Solve for x
    x = 45,969,363,963.70/247,671.42
  6. Step 6: Final answer
    x = 185,606.25

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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.