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Finding the Fourth Proportional to 71,040.66, 106,578.30 and 23,655.66

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Solution

The fourth proportional to 71,040.66, 106,578.30 and 23,655.66 is: 35,489.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,040.66 : 106,578.30 = 23,655.66 : x
  2. Step 2: Convert to fraction form
    71,040.66/106,578.30 = 23,655.66/x
  3. Step 3: Cross multiply
    71,040.66x = 106,578.30 × 23,655.66
  4. Step 4: Simplify right side
    71,040.66x = 2,521,180,028.18
  5. Step 5: Solve for x
    x = 2,521,180,028.18/71,040.66
  6. Step 6: Final answer
    x = 35,489.25

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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.