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Finding the Fourth Proportional to 75,111.68, 103,647.02 and 44,891

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Solution

The fourth proportional to 75,111.68, 103,647.02 and 44,891 is: 61,945.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,111.68 : 103,647.02 = 44,891 : x
  2. Step 2: Convert to fraction form
    75,111.68/103,647.02 = 44,891/x
  3. Step 3: Cross multiply
    75,111.68x = 103,647.02 × 44,891
  4. Step 4: Simplify right side
    75,111.68x = 4,652,818,150.37
  5. Step 5: Solve for x
    x = 4,652,818,150.37/75,111.68
  6. Step 6: Final answer
    x = 61,945.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.