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Finding the Fourth Proportional to 108,991.51, 163,487.06 and 29,029.52

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Solution

The fourth proportional to 108,991.51, 163,487.06 and 29,029.52 is: 43,544.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,991.51 : 163,487.06 = 29,029.52 : x
  2. Step 2: Convert to fraction form
    108,991.51/163,487.06 = 29,029.52/x
  3. Step 3: Cross multiply
    108,991.51x = 163,487.06 × 29,029.52
  4. Step 4: Simplify right side
    108,991.51x = 4,745,951,250.44
  5. Step 5: Solve for x
    x = 4,745,951,250.44/108,991.51
  6. Step 6: Final answer
    x = 43,544.23

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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.