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Finding the Fourth Proportional to 187,850.81, 281,813.11 and 69,523.18

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Solution

The fourth proportional to 187,850.81, 281,813.11 and 69,523.18 is: 104,298.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,850.81 : 281,813.11 = 69,523.18 : x
  2. Step 2: Convert to fraction form
    187,850.81/281,813.11 = 69,523.18/x
  3. Step 3: Cross multiply
    187,850.81x = 281,813.11 × 69,523.18
  4. Step 4: Simplify right side
    187,850.81x = 19,592,542,694.55
  5. Step 5: Solve for x
    x = 19,592,542,694.55/187,850.81
  6. Step 6: Final answer
    x = 104,298.42

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1.5x scale

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.