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Finding the Fourth Proportional to 73,104.10, 109,621.58 and 33,649.54

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Solution

The fourth proportional to 73,104.10, 109,621.58 and 33,649.54 is: 50,458.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,104.10 : 109,621.58 = 33,649.54 : x
  2. Step 2: Convert to fraction form
    73,104.10/109,621.58 = 33,649.54/x
  3. Step 3: Cross multiply
    73,104.10x = 109,621.58 × 33,649.54
  4. Step 4: Simplify right side
    73,104.10x = 3,688,715,741.07
  5. Step 5: Solve for x
    x = 3,688,715,741.07/73,104.10
  6. Step 6: Final answer
    x = 50,458.40

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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.