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Finding the Fourth Proportional to 174,653.30, 262,163.17 and 154,789.88

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Solution

The fourth proportional to 174,653.30, 262,163.17 and 154,789.88 is: 232,347.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,653.30 : 262,163.17 = 154,789.88 : x
  2. Step 2: Convert to fraction form
    174,653.30/262,163.17 = 154,789.88/x
  3. Step 3: Cross multiply
    174,653.30x = 262,163.17 × 154,789.88
  4. Step 4: Simplify right side
    174,653.30x = 40,580,204,507.39
  5. Step 5: Solve for x
    x = 40,580,204,507.39/174,653.30
  6. Step 6: Final answer
    x = 232,347.19

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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.