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Finding the Fourth Proportional to 192,672.72, 288,299.52 and 116,499.60

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Solution

The fourth proportional to 192,672.72, 288,299.52 and 116,499.60 is: 174,320.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,672.72 : 288,299.52 = 116,499.60 : x
  2. Step 2: Convert to fraction form
    192,672.72/288,299.52 = 116,499.60/x
  3. Step 3: Cross multiply
    192,672.72x = 288,299.52 × 116,499.60
  4. Step 4: Simplify right side
    192,672.72x = 33,586,778,760.19
  5. Step 5: Solve for x
    x = 33,586,778,760.19/192,672.72
  6. Step 6: Final answer
    x = 174,320.36

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1.5x scale

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.