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Finding the Fourth Proportional to 159,503.88, 239,289.84 and 79,584.82

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Solution

The fourth proportional to 159,503.88, 239,289.84 and 79,584.82 is: 119,394.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,503.88 : 239,289.84 = 79,584.82 : x
  2. Step 2: Convert to fraction form
    159,503.88/239,289.84 = 79,584.82/x
  3. Step 3: Cross multiply
    159,503.88x = 239,289.84 × 79,584.82
  4. Step 4: Simplify right side
    159,503.88x = 19,043,838,844.23
  5. Step 5: Solve for x
    x = 19,043,838,844.23/159,503.88
  6. Step 6: Final answer
    x = 119,394.20

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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.