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Finding the Fourth Proportional to 89,726.68, 134,589.66 and 33,571

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Solution

The fourth proportional to 89,726.68, 134,589.66 and 33,571 is: 50,356.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,726.68 : 134,589.66 = 33,571 : x
  2. Step 2: Convert to fraction form
    89,726.68/134,589.66 = 33,571/x
  3. Step 3: Cross multiply
    89,726.68x = 134,589.66 × 33,571
  4. Step 4: Simplify right side
    89,726.68x = 4,518,309,475.86
  5. Step 5: Solve for x
    x = 4,518,309,475.86/89,726.68
  6. Step 6: Final answer
    x = 50,356.37

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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.