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Finding the Fourth Proportional to 73,891.86, 101,971.44 and 42,062.82

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Solution

The fourth proportional to 73,891.86, 101,971.44 and 42,062.82 is: 58,047.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,891.86 : 101,971.44 = 42,062.82 : x
  2. Step 2: Convert to fraction form
    73,891.86/101,971.44 = 42,062.82/x
  3. Step 3: Cross multiply
    73,891.86x = 101,971.44 × 42,062.82
  4. Step 4: Simplify right side
    73,891.86x = 4,289,206,325.86
  5. Step 5: Solve for x
    x = 4,289,206,325.86/73,891.86
  6. Step 6: Final answer
    x = 58,047.07

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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.