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Finding the Fourth Proportional to 99,551.37, 149,251.96 and 60,099.10

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Solution

The fourth proportional to 99,551.37, 149,251.96 and 60,099.10 is: 90,103.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,551.37 : 149,251.96 = 60,099.10 : x
  2. Step 2: Convert to fraction form
    99,551.37/149,251.96 = 60,099.10/x
  3. Step 3: Cross multiply
    99,551.37x = 149,251.96 × 60,099.10
  4. Step 4: Simplify right side
    99,551.37x = 8,969,908,469.24
  5. Step 5: Solve for x
    x = 8,969,908,469.24/99,551.37
  6. Step 6: Final answer
    x = 90,103.32

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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.