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Finding the Fourth Proportional to 74,593.01, 102,912.39 and 42,323.82

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Solution

The fourth proportional to 74,593.01, 102,912.39 and 42,323.82 is: 58,392.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,593.01 : 102,912.39 = 42,323.82 : x
  2. Step 2: Convert to fraction form
    74,593.01/102,912.39 = 42,323.82/x
  3. Step 3: Cross multiply
    74,593.01x = 102,912.39 × 42,323.82
  4. Step 4: Simplify right side
    74,593.01x = 4,355,645,470.13
  5. Step 5: Solve for x
    x = 4,355,645,470.13/74,593.01
  6. Step 6: Final answer
    x = 58,392.14

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.