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Finding the Fourth Proportional to 108,357.19, 162,551.31 and 33,483.88

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Solution

The fourth proportional to 108,357.19, 162,551.31 and 33,483.88 is: 50,230.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,357.19 : 162,551.31 = 33,483.88 : x
  2. Step 2: Convert to fraction form
    108,357.19/162,551.31 = 33,483.88/x
  3. Step 3: Cross multiply
    108,357.19x = 162,551.31 × 33,483.88
  4. Step 4: Simplify right side
    108,357.19x = 5,442,848,557.88
  5. Step 5: Solve for x
    x = 5,442,848,557.88/108,357.19
  6. Step 6: Final answer
    x = 50,230.62

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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.