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Finding the Fourth Proportional to 108,763.29, 163,126.44 and 29,859.03

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Solution

The fourth proportional to 108,763.29, 163,126.44 and 29,859.03 is: 44,783.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,763.29 : 163,126.44 = 29,859.03 : x
  2. Step 2: Convert to fraction form
    108,763.29/163,126.44 = 29,859.03/x
  3. Step 3: Cross multiply
    108,763.29x = 163,126.44 × 29,859.03
  4. Step 4: Simplify right side
    108,763.29x = 4,870,797,265.75
  5. Step 5: Solve for x
    x = 4,870,797,265.75/108,763.29
  6. Step 6: Final answer
    x = 44,783.47

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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.