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Finding the Fourth Proportional to 108,892.26, 163,309.23 and 29,987.73

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Solution

The fourth proportional to 108,892.26, 163,309.23 and 29,987.73 is: 44,973.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,892.26 : 163,309.23 = 29,987.73 : x
  2. Step 2: Convert to fraction form
    108,892.26/163,309.23 = 29,987.73/x
  3. Step 3: Cross multiply
    108,892.26x = 163,309.23 × 29,987.73
  4. Step 4: Simplify right side
    108,892.26x = 4,897,273,095.75
  5. Step 5: Solve for x
    x = 4,897,273,095.75/108,892.26
  6. Step 6: Final answer
    x = 44,973.56

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1.5x scale

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.