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Finding the Fourth Proportional to 227,578.80, 341,412.25 and 87,326.52

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Solution

The fourth proportional to 227,578.80, 341,412.25 and 87,326.52 is: 131,006.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,578.80 : 341,412.25 = 87,326.52 : x
  2. Step 2: Convert to fraction form
    227,578.80/341,412.25 = 87,326.52/x
  3. Step 3: Cross multiply
    227,578.80x = 341,412.25 × 87,326.52
  4. Step 4: Simplify right side
    227,578.80x = 29,814,344,094.77
  5. Step 5: Solve for x
    x = 29,814,344,094.77/227,578.80
  6. Step 6: Final answer
    x = 131,006.68

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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.