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Finding the Fourth Proportional to 159,297.60, 238,979.07 and 133,184.82

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Solution

The fourth proportional to 159,297.60, 238,979.07 and 133,184.82 is: 199,804.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,297.60 : 238,979.07 = 133,184.82 : x
  2. Step 2: Convert to fraction form
    159,297.60/238,979.07 = 133,184.82/x
  3. Step 3: Cross multiply
    159,297.60x = 238,979.07 × 133,184.82
  4. Step 4: Simplify right side
    159,297.60x = 31,828,384,421.72
  5. Step 5: Solve for x
    x = 31,828,384,421.72/159,297.60
  6. Step 6: Final answer
    x = 199,804.54

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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.