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Finding the Fourth Proportional to 247,585.50, 341,672.13 and 134,408.25

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Solution

The fourth proportional to 247,585.50, 341,672.13 and 134,408.25 is: 185,485.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,585.50 : 341,672.13 = 134,408.25 : x
  2. Step 2: Convert to fraction form
    247,585.50/341,672.13 = 134,408.25/x
  3. Step 3: Cross multiply
    247,585.50x = 341,672.13 × 134,408.25
  4. Step 4: Simplify right side
    247,585.50x = 45,923,553,067.07
  5. Step 5: Solve for x
    x = 45,923,553,067.07/247,585.50
  6. Step 6: Final answer
    x = 185,485.63

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1.5x scale

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.