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Finding the Fourth Proportional to 73,568, 101,523.92 and 40,034.08

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Solution

The fourth proportional to 73,568, 101,523.92 and 40,034.08 is: 55,247.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,568 : 101,523.92 = 40,034.08 : x
  2. Step 2: Convert to fraction form
    73,568/101,523.92 = 40,034.08/x
  3. Step 3: Cross multiply
    73,568x = 101,523.92 × 40,034.08
  4. Step 4: Simplify right side
    73,568x = 4,064,416,735.19
  5. Step 5: Solve for x
    x = 4,064,416,735.19/73,568
  6. Step 6: Final answer
    x = 55,247.07

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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.