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Finding the Fourth Proportional to 150,601.70, 207,829.50 and 82,616.93

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Solution

The fourth proportional to 150,601.70, 207,829.50 and 82,616.93 is: 114,010.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,601.70 : 207,829.50 = 82,616.93 : x
  2. Step 2: Convert to fraction form
    150,601.70/207,829.50 = 82,616.93/x
  3. Step 3: Cross multiply
    150,601.70x = 207,829.50 × 82,616.93
  4. Step 4: Simplify right side
    150,601.70x = 17,170,234,683.83
  5. Step 5: Solve for x
    x = 17,170,234,683.83/150,601.70
  6. Step 6: Final answer
    x = 114,010.90

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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.