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Finding the Fourth Proportional to 108,791.28, 163,152.36 and 34,902

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Solution

The fourth proportional to 108,791.28, 163,152.36 and 34,902 is: 52,341.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,791.28 : 163,152.36 = 34,902 : x
  2. Step 2: Convert to fraction form
    108,791.28/163,152.36 = 34,902/x
  3. Step 3: Cross multiply
    108,791.28x = 163,152.36 × 34,902
  4. Step 4: Simplify right side
    108,791.28x = 5,694,343,668.72
  5. Step 5: Solve for x
    x = 5,694,343,668.72/108,791.28
  6. Step 6: Final answer
    x = 52,341.91

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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.