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Finding the Fourth Proportional to 88,761.34, 122,489.99 and 48,475.11

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Solution

The fourth proportional to 88,761.34, 122,489.99 and 48,475.11 is: 66,895.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,761.34 : 122,489.99 = 48,475.11 : x
  2. Step 2: Convert to fraction form
    88,761.34/122,489.99 = 48,475.11/x
  3. Step 3: Cross multiply
    88,761.34x = 122,489.99 × 48,475.11
  4. Step 4: Simplify right side
    88,761.34x = 5,937,715,739.15
  5. Step 5: Solve for x
    x = 5,937,715,739.15/88,761.34
  6. Step 6: Final answer
    x = 66,895.30

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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.