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Finding the Fourth Proportional to 88,698.74, 132,999.24 and 60,650.42

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Solution

The fourth proportional to 88,698.74, 132,999.24 and 60,650.42 is: 90,942.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,698.74 : 132,999.24 = 60,650.42 : x
  2. Step 2: Convert to fraction form
    88,698.74/132,999.24 = 60,650.42/x
  3. Step 3: Cross multiply
    88,698.74x = 132,999.24 × 60,650.42
  4. Step 4: Simplify right side
    88,698.74x = 8,066,459,765.68
  5. Step 5: Solve for x
    x = 8,066,459,765.68/88,698.74
  6. Step 6: Final answer
    x = 90,942.21

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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.