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Finding the Fourth Proportional to 106,348.62, 159,372.42 and 58,984.56

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Solution

The fourth proportional to 106,348.62, 159,372.42 and 58,984.56 is: 88,393.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,348.62 : 159,372.42 = 58,984.56 : x
  2. Step 2: Convert to fraction form
    106,348.62/159,372.42 = 58,984.56/x
  3. Step 3: Cross multiply
    106,348.62x = 159,372.42 × 58,984.56
  4. Step 4: Simplify right side
    106,348.62x = 9,400,512,069.84
  5. Step 5: Solve for x
    x = 9,400,512,069.84/106,348.62
  6. Step 6: Final answer
    x = 88,393.36

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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.