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Finding the Fourth Proportional to 88,761.42, 122,491.44 and 48,474.45

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Solution

The fourth proportional to 88,761.42, 122,491.44 and 48,474.45 is: 66,895.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,761.42 : 122,491.44 = 48,474.45 : x
  2. Step 2: Convert to fraction form
    88,761.42/122,491.44 = 48,474.45/x
  3. Step 3: Cross multiply
    88,761.42x = 122,491.44 × 48,474.45
  4. Step 4: Simplify right side
    88,761.42x = 5,937,705,183.71
  5. Step 5: Solve for x
    x = 5,937,705,183.71/88,761.42
  6. Step 6: Final answer
    x = 66,895.11

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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.