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Finding the Fourth Proportional to 73,396.94, 110,053.18 and 39,160.67

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Solution

The fourth proportional to 73,396.94, 110,053.18 and 39,160.67 is: 58,718.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,396.94 : 110,053.18 = 39,160.67 : x
  2. Step 2: Convert to fraction form
    73,396.94/110,053.18 = 39,160.67/x
  3. Step 3: Cross multiply
    73,396.94x = 110,053.18 × 39,160.67
  4. Step 4: Simplify right side
    73,396.94x = 4,309,755,763.12
  5. Step 5: Solve for x
    x = 4,309,755,763.12/73,396.94
  6. Step 6: Final answer
    x = 58,718.47

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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.