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Finding the Fourth Proportional to 73,500.40, 110,308.20 and 34,062.40

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Solution

The fourth proportional to 73,500.40, 110,308.20 and 34,062.40 is: 51,120.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,500.40 : 110,308.20 = 34,062.40 : x
  2. Step 2: Convert to fraction form
    73,500.40/110,308.20 = 34,062.40/x
  3. Step 3: Cross multiply
    73,500.40x = 110,308.20 × 34,062.40
  4. Step 4: Simplify right side
    73,500.40x = 3,757,362,031.68
  5. Step 5: Solve for x
    x = 3,757,362,031.68/73,500.40
  6. Step 6: Final answer
    x = 51,120.29

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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.