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Finding the Fourth Proportional to 108,230.80, 162,347.28 and 29,346.52

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Solution

The fourth proportional to 108,230.80, 162,347.28 and 29,346.52 is: 44,020.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,230.80 : 162,347.28 = 29,346.52 : x
  2. Step 2: Convert to fraction form
    108,230.80/162,347.28 = 29,346.52/x
  3. Step 3: Cross multiply
    108,230.80x = 162,347.28 × 29,346.52
  4. Step 4: Simplify right side
    108,230.80x = 4,764,327,699.47
  5. Step 5: Solve for x
    x = 4,764,327,699.47/108,230.80
  6. Step 6: Final answer
    x = 44,020.07

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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.