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Finding the Fourth Proportional to 655,417.72, 983,179.96 and 182,103.12

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Solution

The fourth proportional to 655,417.72, 983,179.96 and 182,103.12 is: 273,169.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,417.72 : 983,179.96 = 182,103.12 : x
  2. Step 2: Convert to fraction form
    655,417.72/983,179.96 = 182,103.12/x
  3. Step 3: Cross multiply
    655,417.72x = 983,179.96 × 182,103.12
  4. Step 4: Simplify right side
    655,417.72x = 179,040,138,237.48
  5. Step 5: Solve for x
    x = 179,040,138,237.48/655,417.72
  6. Step 6: Final answer
    x = 273,169.51

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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.