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Finding the Fourth Proportional to 89,892.91, 124,576.60 and 88,624.45

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Solution

The fourth proportional to 89,892.91, 124,576.60 and 88,624.45 is: 122,818.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,892.91 : 124,576.60 = 88,624.45 : x
  2. Step 2: Convert to fraction form
    89,892.91/124,576.60 = 88,624.45/x
  3. Step 3: Cross multiply
    89,892.91x = 124,576.60 × 88,624.45
  4. Step 4: Simplify right side
    89,892.91x = 11,040,532,657.87
  5. Step 5: Solve for x
    x = 11,040,532,657.87/89,892.91
  6. Step 6: Final answer
    x = 122,818.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.