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Finding the Fourth Proportional to 363,139.56, 544,709.34 and 113,841

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Solution

The fourth proportional to 363,139.56, 544,709.34 and 113,841 is: 170,761.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,139.56 : 544,709.34 = 113,841 : x
  2. Step 2: Convert to fraction form
    363,139.56/544,709.34 = 113,841/x
  3. Step 3: Cross multiply
    363,139.56x = 544,709.34 × 113,841
  4. Step 4: Simplify right side
    363,139.56x = 62,010,255,974.94
  5. Step 5: Solve for x
    x = 62,010,255,974.94/363,139.56
  6. Step 6: Final answer
    x = 170,761.50

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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.