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Finding the Fourth Proportional to 88,491.89, 122,118.03 and 48,205.53

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Solution

The fourth proportional to 88,491.89, 122,118.03 and 48,205.53 is: 66,523.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,491.89 : 122,118.03 = 48,205.53 : x
  2. Step 2: Convert to fraction form
    88,491.89/122,118.03 = 48,205.53/x
  3. Step 3: Cross multiply
    88,491.89x = 122,118.03 × 48,205.53
  4. Step 4: Simplify right side
    88,491.89x = 5,886,764,358.71
  5. Step 5: Solve for x
    x = 5,886,764,358.71/88,491.89
  6. Step 6: Final answer
    x = 66,523.21

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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.