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Finding the Fourth Proportional to 227,081.16, 340,661.82 and 93,886.79

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Solution

The fourth proportional to 227,081.16, 340,661.82 and 93,886.79 is: 140,846.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,081.16 : 340,661.82 = 93,886.79 : x
  2. Step 2: Convert to fraction form
    227,081.16/340,661.82 = 93,886.79/x
  3. Step 3: Cross multiply
    227,081.16x = 340,661.82 × 93,886.79
  4. Step 4: Simplify right side
    227,081.16x = 31,983,643,052.05
  5. Step 5: Solve for x
    x = 31,983,643,052.05/227,081.16
  6. Step 6: Final answer
    x = 140,846.75

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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.