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Finding the Fourth Proportional to 70,524.68, 97,324.06 and 40,310.66

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Solution

The fourth proportional to 70,524.68, 97,324.06 and 40,310.66 is: 55,628.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,524.68 : 97,324.06 = 40,310.66 : x
  2. Step 2: Convert to fraction form
    70,524.68/97,324.06 = 40,310.66/x
  3. Step 3: Cross multiply
    70,524.68x = 97,324.06 × 40,310.66
  4. Step 4: Simplify right side
    70,524.68x = 3,923,196,505.08
  5. Step 5: Solve for x
    x = 3,923,196,505.08/70,524.68
  6. Step 6: Final answer
    x = 55,628.70

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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.