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Finding the Fourth Proportional to 192,502.93, 288,828.21 and 80,152.98

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Solution

The fourth proportional to 192,502.93, 288,828.21 and 80,152.98 is: 120,260.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,502.93 : 288,828.21 = 80,152.98 : x
  2. Step 2: Convert to fraction form
    192,502.93/288,828.21 = 80,152.98/x
  3. Step 3: Cross multiply
    192,502.93x = 288,828.21 × 80,152.98
  4. Step 4: Simplify right side
    192,502.93x = 23,150,441,499.24
  5. Step 5: Solve for x
    x = 23,150,441,499.24/192,502.93
  6. Step 6: Final answer
    x = 120,260.20

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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.