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Finding the Fourth Proportional to 292,891.33, 439,168.77 and 115,301.44

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Solution

The fourth proportional to 292,891.33, 439,168.77 and 115,301.44 is: 172,885.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,891.33 : 439,168.77 = 115,301.44 : x
  2. Step 2: Convert to fraction form
    292,891.33/439,168.77 = 115,301.44/x
  3. Step 3: Cross multiply
    292,891.33x = 439,168.77 × 115,301.44
  4. Step 4: Simplify right side
    292,891.33x = 50,636,791,584.03
  5. Step 5: Solve for x
    x = 50,636,791,584.03/292,891.33
  6. Step 6: Final answer
    x = 172,885.94

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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.