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Finding the Fourth Proportional to 159,272.58, 238,908.86 and 40,944.03

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Solution

The fourth proportional to 159,272.58, 238,908.86 and 40,944.03 is: 61,416.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,272.58 : 238,908.86 = 40,944.03 : x
  2. Step 2: Convert to fraction form
    159,272.58/238,908.86 = 40,944.03/x
  3. Step 3: Cross multiply
    159,272.58x = 238,908.86 × 40,944.03
  4. Step 4: Simplify right side
    159,272.58x = 9,781,891,326.39
  5. Step 5: Solve for x
    x = 9,781,891,326.39/159,272.58
  6. Step 6: Final answer
    x = 61,416.04

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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.