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Finding the Fourth Proportional to 73,570.28, 110,371.84 and 26,823.20

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Solution

The fourth proportional to 73,570.28, 110,371.84 and 26,823.20 is: 40,240.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,570.28 : 110,371.84 = 26,823.20 : x
  2. Step 2: Convert to fraction form
    73,570.28/110,371.84 = 26,823.20/x
  3. Step 3: Cross multiply
    73,570.28x = 110,371.84 × 26,823.20
  4. Step 4: Simplify right side
    73,570.28x = 2,960,525,938.69
  5. Step 5: Solve for x
    x = 2,960,525,938.69/73,570.28
  6. Step 6: Final answer
    x = 40,240.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.