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Finding the Fourth Proportional to 94,578.35, 130,519.01 and 52,138.40

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Solution

The fourth proportional to 94,578.35, 130,519.01 and 52,138.40 is: 71,951.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,578.35 : 130,519.01 = 52,138.40 : x
  2. Step 2: Convert to fraction form
    94,578.35/130,519.01 = 52,138.40/x
  3. Step 3: Cross multiply
    94,578.35x = 130,519.01 × 52,138.40
  4. Step 4: Simplify right side
    94,578.35x = 6,805,052,350.98
  5. Step 5: Solve for x
    x = 6,805,052,350.98/94,578.35
  6. Step 6: Final answer
    x = 71,951.48

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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.