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Finding the Fourth Proportional to 64,228.80, 96,361.71 and 26,769.54

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Solution

The fourth proportional to 64,228.80, 96,361.71 and 26,769.54 is: 40,162.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,228.80 : 96,361.71 = 26,769.54 : x
  2. Step 2: Convert to fraction form
    64,228.80/96,361.71 = 26,769.54/x
  3. Step 3: Cross multiply
    64,228.80x = 96,361.71 × 26,769.54
  4. Step 4: Simplify right side
    64,228.80x = 2,579,558,650.31
  5. Step 5: Solve for x
    x = 2,579,558,650.31/64,228.80
  6. Step 6: Final answer
    x = 40,162.02

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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.