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Finding the Fourth Proportional to 79,195.67, 109,290.01 and 47,364.57

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Solution

The fourth proportional to 79,195.67, 109,290.01 and 47,364.57 is: 65,363.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,195.67 : 109,290.01 = 47,364.57 : x
  2. Step 2: Convert to fraction form
    79,195.67/109,290.01 = 47,364.57/x
  3. Step 3: Cross multiply
    79,195.67x = 109,290.01 × 47,364.57
  4. Step 4: Simplify right side
    79,195.67x = 5,176,474,328.95
  5. Step 5: Solve for x
    x = 5,176,474,328.95/79,195.67
  6. Step 6: Final answer
    x = 65,363.10

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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.