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Finding the Fourth Proportional to 150,737.69, 208,020.45 and 82,760.93

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Solution

The fourth proportional to 150,737.69, 208,020.45 and 82,760.93 is: 114,211.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,737.69 : 208,020.45 = 82,760.93 : x
  2. Step 2: Convert to fraction form
    150,737.69/208,020.45 = 82,760.93/x
  3. Step 3: Cross multiply
    150,737.69x = 208,020.45 × 82,760.93
  4. Step 4: Simplify right side
    150,737.69x = 17,215,964,860.92
  5. Step 5: Solve for x
    x = 17,215,964,860.92/150,737.69
  6. Step 6: Final answer
    x = 114,211.42

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1.5x scale

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.