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Finding the Fourth Proportional to 227,633.80, 341,348.30 and 87,345.80

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Solution

The fourth proportional to 227,633.80, 341,348.30 and 87,345.80 is: 130,979.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,633.80 : 341,348.30 = 87,345.80 : x
  2. Step 2: Convert to fraction form
    227,633.80/341,348.30 = 87,345.80/x
  3. Step 3: Cross multiply
    227,633.80x = 341,348.30 × 87,345.80
  4. Step 4: Simplify right side
    227,633.80x = 29,815,340,342.14
  5. Step 5: Solve for x
    x = 29,815,340,342.14/227,633.80
  6. Step 6: Final answer
    x = 130,979.41

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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.