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Finding the Fourth Proportional to 67,316.64, 100,993.66 and 29,369.22

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Solution

The fourth proportional to 67,316.64, 100,993.66 and 29,369.22 is: 44,061.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,316.64 : 100,993.66 = 29,369.22 : x
  2. Step 2: Convert to fraction form
    67,316.64/100,993.66 = 29,369.22/x
  3. Step 3: Cross multiply
    67,316.64x = 100,993.66 × 29,369.22
  4. Step 4: Simplify right side
    67,316.64x = 2,966,105,019.15
  5. Step 5: Solve for x
    x = 2,966,105,019.15/67,316.64
  6. Step 6: Final answer
    x = 44,061.99

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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.