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Finding the Fourth Proportional to 65,227.62, 89,958.99 and 45,052.53

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Solution

The fourth proportional to 65,227.62, 89,958.99 and 45,052.53 is: 62,134.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,227.62 : 89,958.99 = 45,052.53 : x
  2. Step 2: Convert to fraction form
    65,227.62/89,958.99 = 45,052.53/x
  3. Step 3: Cross multiply
    65,227.62x = 89,958.99 × 45,052.53
  4. Step 4: Simplify right side
    65,227.62x = 4,052,880,095.74
  5. Step 5: Solve for x
    x = 4,052,880,095.74/65,227.62
  6. Step 6: Final answer
    x = 62,134.42

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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.