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Finding the Fourth Proportional to 108,965.52, 163,448.04 and 29,003.50

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Solution

The fourth proportional to 108,965.52, 163,448.04 and 29,003.50 is: 43,505.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,965.52 : 163,448.04 = 29,003.50 : x
  2. Step 2: Convert to fraction form
    108,965.52/163,448.04 = 29,003.50/x
  3. Step 3: Cross multiply
    108,965.52x = 163,448.04 × 29,003.50
  4. Step 4: Simplify right side
    108,965.52x = 4,740,565,296.50
  5. Step 5: Solve for x
    x = 4,740,565,296.50/108,965.52
  6. Step 6: Final answer
    x = 43,505.19

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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.