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Finding the Fourth Proportional to 73,423.76, 101,324.78 and 43,615.76

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Solution

The fourth proportional to 73,423.76, 101,324.78 and 43,615.76 is: 60,189.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,423.76 : 101,324.78 = 43,615.76 : x
  2. Step 2: Convert to fraction form
    73,423.76/101,324.78 = 43,615.76/x
  3. Step 3: Cross multiply
    73,423.76x = 101,324.78 × 43,615.76
  4. Step 4: Simplify right side
    73,423.76x = 4,419,357,286.53
  5. Step 5: Solve for x
    x = 4,419,357,286.53/73,423.76
  6. Step 6: Final answer
    x = 60,189.74

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1.5x scale

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.