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Finding the Fourth Proportional to 244,157, 366,237.78 and 86,412.20

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Solution

The fourth proportional to 244,157, 366,237.78 and 86,412.20 is: 129,619.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,157 : 366,237.78 = 86,412.20 : x
  2. Step 2: Convert to fraction form
    244,157/366,237.78 = 86,412.20/x
  3. Step 3: Cross multiply
    244,157x = 366,237.78 × 86,412.20
  4. Step 4: Simplify right side
    244,157x = 31,647,412,292.92
  5. Step 5: Solve for x
    x = 31,647,412,292.92/244,157
  6. Step 6: Final answer
    x = 129,619.11

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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.