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Finding the Fourth Proportional to 236,362.77, 354,451.59 and 82,449.87

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Solution

The fourth proportional to 236,362.77, 354,451.59 and 82,449.87 is: 123,642.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,362.77 : 354,451.59 = 82,449.87 : x
  2. Step 2: Convert to fraction form
    236,362.77/354,451.59 = 82,449.87/x
  3. Step 3: Cross multiply
    236,362.77x = 354,451.59 × 82,449.87
  4. Step 4: Simplify right side
    236,362.77x = 29,224,487,516.79
  5. Step 5: Solve for x
    x = 29,224,487,516.79/236,362.77
  6. Step 6: Final answer
    x = 123,642.52

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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.