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Finding the Fourth Proportional to 73,493.12, 101,270.40 and 69,523.28

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Solution

The fourth proportional to 73,493.12, 101,270.40 and 69,523.28 is: 95,800.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,493.12 : 101,270.40 = 69,523.28 : x
  2. Step 2: Convert to fraction form
    73,493.12/101,270.40 = 69,523.28/x
  3. Step 3: Cross multiply
    73,493.12x = 101,270.40 × 69,523.28
  4. Step 4: Simplify right side
    73,493.12x = 7,040,650,374.91
  5. Step 5: Solve for x
    x = 7,040,650,374.91/73,493.12
  6. Step 6: Final answer
    x = 95,800.13

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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.