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Finding the Fourth Proportional to 108,073.54, 162,106.82 and 48,909.21

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Solution

The fourth proportional to 108,073.54, 162,106.82 and 48,909.21 is: 73,362.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,073.54 : 162,106.82 = 48,909.21 : x
  2. Step 2: Convert to fraction form
    108,073.54/162,106.82 = 48,909.21/x
  3. Step 3: Cross multiply
    108,073.54x = 162,106.82 × 48,909.21
  4. Step 4: Simplify right side
    108,073.54x = 7,928,515,691.28
  5. Step 5: Solve for x
    x = 7,928,515,691.28/108,073.54
  6. Step 6: Final answer
    x = 73,362.23

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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.