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Finding the Fourth Proportional to 159,603.75, 239,676.81 and 106,636.11

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Solution

The fourth proportional to 159,603.75, 239,676.81 and 106,636.11 is: 160,135.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,603.75 : 239,676.81 = 106,636.11 : x
  2. Step 2: Convert to fraction form
    159,603.75/239,676.81 = 106,636.11/x
  3. Step 3: Cross multiply
    159,603.75x = 239,676.81 × 106,636.11
  4. Step 4: Simplify right side
    159,603.75x = 25,558,202,675.61
  5. Step 5: Solve for x
    x = 25,558,202,675.61/159,603.75
  6. Step 6: Final answer
    x = 160,135.35

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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.