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Finding the Fourth Proportional to 70,081.20, 96,743.16 and 47,453.04

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Solution

The fourth proportional to 70,081.20, 96,743.16 and 47,453.04 is: 65,506.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,081.20 : 96,743.16 = 47,453.04 : x
  2. Step 2: Convert to fraction form
    70,081.20/96,743.16 = 47,453.04/x
  3. Step 3: Cross multiply
    70,081.20x = 96,743.16 × 47,453.04
  4. Step 4: Simplify right side
    70,081.20x = 4,590,757,041.21
  5. Step 5: Solve for x
    x = 4,590,757,041.21/70,081.20
  6. Step 6: Final answer
    x = 65,506.26

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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.