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Finding the Fourth Proportional to 73,412.76, 101,292.26 and 43,199.40

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Solution

The fourth proportional to 73,412.76, 101,292.26 and 43,199.40 is: 59,604.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,412.76 : 101,292.26 = 43,199.40 : x
  2. Step 2: Convert to fraction form
    73,412.76/101,292.26 = 43,199.40/x
  3. Step 3: Cross multiply
    73,412.76x = 101,292.26 × 43,199.40
  4. Step 4: Simplify right side
    73,412.76x = 4,375,764,640.65
  5. Step 5: Solve for x
    x = 4,375,764,640.65/73,412.76
  6. Step 6: Final answer
    x = 59,604.96

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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.