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Finding the Fourth Proportional to 73,518.26, 101,478.30 and 43,301.48

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Solution

The fourth proportional to 73,518.26, 101,478.30 and 43,301.48 is: 59,769.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,518.26 : 101,478.30 = 43,301.48 : x
  2. Step 2: Convert to fraction form
    73,518.26/101,478.30 = 43,301.48/x
  3. Step 3: Cross multiply
    73,518.26x = 101,478.30 × 43,301.48
  4. Step 4: Simplify right side
    73,518.26x = 4,394,160,577.88
  5. Step 5: Solve for x
    x = 4,394,160,577.88/73,518.26
  6. Step 6: Final answer
    x = 59,769.65

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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.