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Finding the Fourth Proportional to 73,101.10, 109,617.08 and 33,646.54

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Solution

The fourth proportional to 73,101.10, 109,617.08 and 33,646.54 is: 50,453.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,101.10 : 109,617.08 = 33,646.54 : x
  2. Step 2: Convert to fraction form
    73,101.10/109,617.08 = 33,646.54/x
  3. Step 3: Cross multiply
    73,101.10x = 109,617.08 × 33,646.54
  4. Step 4: Simplify right side
    73,101.10x = 3,688,235,466.90
  5. Step 5: Solve for x
    x = 3,688,235,466.90/73,101.10
  6. Step 6: Final answer
    x = 50,453.90

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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.