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Finding the Fourth Proportional to 188,044.01, 281,800.79 and 103,842.08

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Solution

The fourth proportional to 188,044.01, 281,800.79 and 103,842.08 is: 155,616.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,044.01 : 281,800.79 = 103,842.08 : x
  2. Step 2: Convert to fraction form
    188,044.01/281,800.79 = 103,842.08/x
  3. Step 3: Cross multiply
    188,044.01x = 281,800.79 × 103,842.08
  4. Step 4: Simplify right side
    188,044.01x = 29,262,781,143.35
  5. Step 5: Solve for x
    x = 29,262,781,143.35/188,044.01
  6. Step 6: Final answer
    x = 155,616.66

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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.