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Finding the Fourth Proportional to 73,821.93, 101,874.23 and 40,287.93

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Solution

The fourth proportional to 73,821.93, 101,874.23 and 40,287.93 is: 55,597.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,821.93 : 101,874.23 = 40,287.93 : x
  2. Step 2: Convert to fraction form
    73,821.93/101,874.23 = 40,287.93/x
  3. Step 3: Cross multiply
    73,821.93x = 101,874.23 × 40,287.93
  4. Step 4: Simplify right side
    73,821.93x = 4,104,301,847.04
  5. Step 5: Solve for x
    x = 4,104,301,847.04/73,821.93
  6. Step 6: Final answer
    x = 55,597.33

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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.