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Finding the Fourth Proportional to 73,062.81, 100,894.88 and 53,773.47

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Solution

The fourth proportional to 73,062.81, 100,894.88 and 53,773.47 is: 74,257.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,062.81 : 100,894.88 = 53,773.47 : x
  2. Step 2: Convert to fraction form
    73,062.81/100,894.88 = 53,773.47/x
  3. Step 3: Cross multiply
    73,062.81x = 100,894.88 × 53,773.47
  4. Step 4: Simplify right side
    73,062.81x = 5,425,467,937.27
  5. Step 5: Solve for x
    x = 5,425,467,937.27/73,062.81
  6. Step 6: Final answer
    x = 74,257.59

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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.