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Finding the Fourth Proportional to 293,063.69, 404,338.60 and 163,988.78

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Solution

The fourth proportional to 293,063.69, 404,338.60 and 163,988.78 is: 226,254.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,063.69 : 404,338.60 = 163,988.78 : x
  2. Step 2: Convert to fraction form
    293,063.69/404,338.60 = 163,988.78/x
  3. Step 3: Cross multiply
    293,063.69x = 404,338.60 × 163,988.78
  4. Step 4: Simplify right side
    293,063.69x = 66,306,991,904.20
  5. Step 5: Solve for x
    x = 66,306,991,904.20/293,063.69
  6. Step 6: Final answer
    x = 226,254.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.