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Finding the Fourth Proportional to 73,455.66, 110,179.85 and 40,240.60

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Solution

The fourth proportional to 73,455.66, 110,179.85 and 40,240.60 is: 60,358.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,455.66 : 110,179.85 = 40,240.60 : x
  2. Step 2: Convert to fraction form
    73,455.66/110,179.85 = 40,240.60/x
  3. Step 3: Cross multiply
    73,455.66x = 110,179.85 × 40,240.60
  4. Step 4: Simplify right side
    73,455.66x = 4,433,702,795.26
  5. Step 5: Solve for x
    x = 4,433,702,795.26/73,455.66
  6. Step 6: Final answer
    x = 60,358.90

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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.