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Finding the Fourth Proportional to 223,794, 335,691.10 and 74,034.28

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Solution

The fourth proportional to 223,794, 335,691.10 and 74,034.28 is: 111,051.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,794 : 335,691.10 = 74,034.28 : x
  2. Step 2: Convert to fraction form
    223,794/335,691.10 = 74,034.28/x
  3. Step 3: Cross multiply
    223,794x = 335,691.10 × 74,034.28
  4. Step 4: Simplify right side
    223,794x = 24,852,648,890.91
  5. Step 5: Solve for x
    x = 24,852,648,890.91/223,794
  6. Step 6: Final answer
    x = 111,051.45

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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.