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Finding the Fourth Proportional to 89,593.88, 134,473.97 and 45,251.78

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Solution

The fourth proportional to 89,593.88, 134,473.97 and 45,251.78 is: 67,919.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,593.88 : 134,473.97 = 45,251.78 : x
  2. Step 2: Convert to fraction form
    89,593.88/134,473.97 = 45,251.78/x
  3. Step 3: Cross multiply
    89,593.88x = 134,473.97 × 45,251.78
  4. Step 4: Simplify right side
    89,593.88x = 6,085,186,955.48
  5. Step 5: Solve for x
    x = 6,085,186,955.48/89,593.88
  6. Step 6: Final answer
    x = 67,919.67

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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.