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Finding the Fourth Proportional to 73,893.67, 101,973.38 and 42,062.56

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Solution

The fourth proportional to 73,893.67, 101,973.38 and 42,062.56 is: 58,046.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,893.67 : 101,973.38 = 42,062.56 : x
  2. Step 2: Convert to fraction form
    73,893.67/101,973.38 = 42,062.56/x
  3. Step 3: Cross multiply
    73,893.67x = 101,973.38 × 42,062.56
  4. Step 4: Simplify right side
    73,893.67x = 4,289,260,949.41
  5. Step 5: Solve for x
    x = 4,289,260,949.41/73,893.67
  6. Step 6: Final answer
    x = 58,046.39

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1.5x scale

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.