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Finding the Fourth Proportional to 72,934.17, 109,224.90 and 60,361.65

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Solution

The fourth proportional to 72,934.17, 109,224.90 and 60,361.65 is: 90,396.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,934.17 : 109,224.90 = 60,361.65 : x
  2. Step 2: Convert to fraction form
    72,934.17/109,224.90 = 60,361.65/x
  3. Step 3: Cross multiply
    72,934.17x = 109,224.90 × 60,361.65
  4. Step 4: Simplify right side
    72,934.17x = 6,592,995,185.09
  5. Step 5: Solve for x
    x = 6,592,995,185.09/72,934.17
  6. Step 6: Final answer
    x = 90,396.52

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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.