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Finding the Fourth Proportional to 192,760.65, 288,875.71 and 164,149.56

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Solution

The fourth proportional to 192,760.65, 288,875.71 and 164,149.56 is: 245,998.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,760.65 : 288,875.71 = 164,149.56 : x
  2. Step 2: Convert to fraction form
    192,760.65/288,875.71 = 164,149.56/x
  3. Step 3: Cross multiply
    192,760.65x = 288,875.71 × 164,149.56
  4. Step 4: Simplify right side
    192,760.65x = 47,418,820,691.19
  5. Step 5: Solve for x
    x = 47,418,820,691.19/192,760.65
  6. Step 6: Final answer
    x = 245,998.45

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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.