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Finding the Fourth Proportional to 70,982.33, 97,756.29 and 69,432.29

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Solution

The fourth proportional to 70,982.33, 97,756.29 and 69,432.29 is: 95,621.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,982.33 : 97,756.29 = 69,432.29 : x
  2. Step 2: Convert to fraction form
    70,982.33/97,756.29 = 69,432.29/x
  3. Step 3: Cross multiply
    70,982.33x = 97,756.29 × 69,432.29
  4. Step 4: Simplify right side
    70,982.33x = 6,787,442,587.82
  5. Step 5: Solve for x
    x = 6,787,442,587.82/70,982.33
  6. Step 6: Final answer
    x = 95,621.59

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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.