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Finding the Fourth Proportional to 73,502.40, 110,274.53 and 36,073.72

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Solution

The fourth proportional to 73,502.40, 110,274.53 and 36,073.72 is: 54,120.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,502.40 : 110,274.53 = 36,073.72 : x
  2. Step 2: Convert to fraction form
    73,502.40/110,274.53 = 36,073.72/x
  3. Step 3: Cross multiply
    73,502.40x = 110,274.53 × 36,073.72
  4. Step 4: Simplify right side
    73,502.40x = 3,978,012,518.35
  5. Step 5: Solve for x
    x = 3,978,012,518.35/73,502.40
  6. Step 6: Final answer
    x = 54,120.85

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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.