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Finding the Fourth Proportional to 158,908.44, 238,362.45 and 40,579.86

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Solution

The fourth proportional to 158,908.44, 238,362.45 and 40,579.86 is: 60,869.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,908.44 : 238,362.45 = 40,579.86 : x
  2. Step 2: Convert to fraction form
    158,908.44/238,362.45 = 40,579.86/x
  3. Step 3: Cross multiply
    158,908.44x = 238,362.45 × 40,579.86
  4. Step 4: Simplify right side
    158,908.44x = 9,672,714,850.26
  5. Step 5: Solve for x
    x = 9,672,714,850.26/158,908.44
  6. Step 6: Final answer
    x = 60,869.74

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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.