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Finding the Fourth Proportional to 67,369.16, 100,998.90 and 25,225.64

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Solution

The fourth proportional to 67,369.16, 100,998.90 and 25,225.64 is: 37,817.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,369.16 : 100,998.90 = 25,225.64 : x
  2. Step 2: Convert to fraction form
    67,369.16/100,998.90 = 25,225.64/x
  3. Step 3: Cross multiply
    67,369.16x = 100,998.90 × 25,225.64
  4. Step 4: Simplify right side
    67,369.16x = 2,547,761,891.80
  5. Step 5: Solve for x
    x = 2,547,761,891.80/67,369.16
  6. Step 6: Final answer
    x = 37,817.93

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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.