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Finding the Fourth Proportional to 73,372.88, 110,066.64 and 26,629.40

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Solution

The fourth proportional to 73,372.88, 110,066.64 and 26,629.40 is: 39,946.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,372.88 : 110,066.64 = 26,629.40 : x
  2. Step 2: Convert to fraction form
    73,372.88/110,066.64 = 26,629.40/x
  3. Step 3: Cross multiply
    73,372.88x = 110,066.64 × 26,629.40
  4. Step 4: Simplify right side
    73,372.88x = 2,931,008,583.22
  5. Step 5: Solve for x
    x = 2,931,008,583.22/73,372.88
  6. Step 6: Final answer
    x = 39,946.76

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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.