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Finding the Fourth Proportional to 67,561.82, 101,347.96 and 39,484.78

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Solution

The fourth proportional to 67,561.82, 101,347.96 and 39,484.78 is: 59,230.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,561.82 : 101,347.96 = 39,484.78 : x
  2. Step 2: Convert to fraction form
    67,561.82/101,347.96 = 39,484.78/x
  3. Step 3: Cross multiply
    67,561.82x = 101,347.96 × 39,484.78
  4. Step 4: Simplify right side
    67,561.82x = 4,001,701,904.05
  5. Step 5: Solve for x
    x = 4,001,701,904.05/67,561.82
  6. Step 6: Final answer
    x = 59,230.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.