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Finding the Fourth Proportional to 113,294.52, 156,346.02 and 62,993.52

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Solution

The fourth proportional to 113,294.52, 156,346.02 and 62,993.52 is: 86,930.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,294.52 : 156,346.02 = 62,993.52 : x
  2. Step 2: Convert to fraction form
    113,294.52/156,346.02 = 62,993.52/x
  3. Step 3: Cross multiply
    113,294.52x = 156,346.02 × 62,993.52
  4. Step 4: Simplify right side
    113,294.52x = 9,848,786,137.79
  5. Step 5: Solve for x
    x = 9,848,786,137.79/113,294.52
  6. Step 6: Final answer
    x = 86,930.83

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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.