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Finding the Fourth Proportional to 124,515.42, 171,584.67 and 88,604.82

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Solution

The fourth proportional to 124,515.42, 171,584.67 and 88,604.82 is: 122,099.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,515.42 : 171,584.67 = 88,604.82 : x
  2. Step 2: Convert to fraction form
    124,515.42/171,584.67 = 88,604.82/x
  3. Step 3: Cross multiply
    124,515.42x = 171,584.67 × 88,604.82
  4. Step 4: Simplify right side
    124,515.42x = 15,203,228,800.11
  5. Step 5: Solve for x
    x = 15,203,228,800.11/124,515.42
  6. Step 6: Final answer
    x = 122,099.16

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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.