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Finding the Fourth Proportional to 108,904.95, 163,351.53 and 34,016.49

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Solution

The fourth proportional to 108,904.95, 163,351.53 and 34,016.49 is: 51,022.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,904.95 : 163,351.53 = 34,016.49 : x
  2. Step 2: Convert to fraction form
    108,904.95/163,351.53 = 34,016.49/x
  3. Step 3: Cross multiply
    108,904.95x = 163,351.53 × 34,016.49
  4. Step 4: Simplify right side
    108,904.95x = 5,556,645,686.73
  5. Step 5: Solve for x
    x = 5,556,645,686.73/108,904.95
  6. Step 6: Final answer
    x = 51,022.89

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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.