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Finding the Fourth Proportional to 108,299.58, 149,453.01 and 60,552.78

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Solution

The fourth proportional to 108,299.58, 149,453.01 and 60,552.78 is: 83,562.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,299.58 : 149,453.01 = 60,552.78 : x
  2. Step 2: Convert to fraction form
    108,299.58/149,453.01 = 60,552.78/x
  3. Step 3: Cross multiply
    108,299.58x = 149,453.01 × 60,552.78
  4. Step 4: Simplify right side
    108,299.58x = 9,049,795,234.87
  5. Step 5: Solve for x
    x = 9,049,795,234.87/108,299.58
  6. Step 6: Final answer
    x = 83,562.61

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1.5x scale

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.