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Finding the Fourth Proportional to 89,371.40, 134,057.10 and 59,433.80

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Solution

The fourth proportional to 89,371.40, 134,057.10 and 59,433.80 is: 89,150.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,371.40 : 134,057.10 = 59,433.80 : x
  2. Step 2: Convert to fraction form
    89,371.40/134,057.10 = 59,433.80/x
  3. Step 3: Cross multiply
    89,371.40x = 134,057.10 × 59,433.80
  4. Step 4: Simplify right side
    89,371.40x = 7,967,522,869.98
  5. Step 5: Solve for x
    x = 7,967,522,869.98/89,371.40
  6. Step 6: Final answer
    x = 89,150.70

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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.