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Finding the Fourth Proportional to 79,195.92, 109,290.36 and 47,364.82

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Solution

The fourth proportional to 79,195.92, 109,290.36 and 47,364.82 is: 65,363.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,195.92 : 109,290.36 = 47,364.82 : x
  2. Step 2: Convert to fraction form
    79,195.92/109,290.36 = 47,364.82/x
  3. Step 3: Cross multiply
    79,195.92x = 109,290.36 × 47,364.82
  4. Step 4: Simplify right side
    79,195.92x = 5,176,517,682.68
  5. Step 5: Solve for x
    x = 5,176,517,682.68/79,195.92
  6. Step 6: Final answer
    x = 65,363.44

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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.