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Finding the Fourth Proportional to 73,401.40, 110,102.10 and 69,027.40

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Solution

The fourth proportional to 73,401.40, 110,102.10 and 69,027.40 is: 103,541.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,401.40 : 110,102.10 = 69,027.40 : x
  2. Step 2: Convert to fraction form
    73,401.40/110,102.10 = 69,027.40/x
  3. Step 3: Cross multiply
    73,401.40x = 110,102.10 × 69,027.40
  4. Step 4: Simplify right side
    73,401.40x = 7,600,061,697.54
  5. Step 5: Solve for x
    x = 7,600,061,697.54/73,401.40
  6. Step 6: Final answer
    x = 103,541.10

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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.