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Finding the Fourth Proportional to 67,909.86, 101,802.43 and 23,505.56

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Solution

The fourth proportional to 67,909.86, 101,802.43 and 23,505.56 is: 35,236.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,909.86 : 101,802.43 = 23,505.56 : x
  2. Step 2: Convert to fraction form
    67,909.86/101,802.43 = 23,505.56/x
  3. Step 3: Cross multiply
    67,909.86x = 101,802.43 × 23,505.56
  4. Step 4: Simplify right side
    67,909.86x = 2,392,923,126.51
  5. Step 5: Solve for x
    x = 2,392,923,126.51/67,909.86
  6. Step 6: Final answer
    x = 35,236.76

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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.