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Finding the Fourth Proportional to 159,229.86, 238,844.78 and 40,901.32

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Solution

The fourth proportional to 159,229.86, 238,844.78 and 40,901.32 is: 61,351.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,229.86 : 238,844.78 = 40,901.32 : x
  2. Step 2: Convert to fraction form
    159,229.86/238,844.78 = 40,901.32/x
  3. Step 3: Cross multiply
    159,229.86x = 238,844.78 × 40,901.32
  4. Step 4: Simplify right side
    159,229.86x = 9,769,066,777.11
  5. Step 5: Solve for x
    x = 9,769,066,777.11/159,229.86
  6. Step 6: Final answer
    x = 61,351.98

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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.