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Finding the Fourth Proportional to 192,317.60, 288,529.73 and 80,050.70

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Solution

The fourth proportional to 192,317.60, 288,529.73 and 80,050.70 is: 120,098.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,317.60 : 288,529.73 = 80,050.70 : x
  2. Step 2: Convert to fraction form
    192,317.60/288,529.73 = 80,050.70/x
  3. Step 3: Cross multiply
    192,317.60x = 288,529.73 × 80,050.70
  4. Step 4: Simplify right side
    192,317.60x = 23,097,006,857.31
  5. Step 5: Solve for x
    x = 23,097,006,857.31/192,317.60
  6. Step 6: Final answer
    x = 120,098.25

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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.