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Finding the Fourth Proportional to 119,375.92, 164,592.84 and 79,078.96

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Solution

The fourth proportional to 119,375.92, 164,592.84 and 79,078.96 is: 109,032.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,375.92 : 164,592.84 = 79,078.96 : x
  2. Step 2: Convert to fraction form
    119,375.92/164,592.84 = 79,078.96/x
  3. Step 3: Cross multiply
    119,375.92x = 164,592.84 × 79,078.96
  4. Step 4: Simplify right side
    119,375.92x = 13,015,830,610.65
  5. Step 5: Solve for x
    x = 13,015,830,610.65/119,375.92
  6. Step 6: Final answer
    x = 109,032.30

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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.