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Finding the Fourth Proportional to 67,044, 100,578.94 and 25,487.76

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Solution

The fourth proportional to 67,044, 100,578.94 and 25,487.76 is: 38,236.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,044 : 100,578.94 = 25,487.76 : x
  2. Step 2: Convert to fraction form
    67,044/100,578.94 = 25,487.76/x
  3. Step 3: Cross multiply
    67,044x = 100,578.94 × 25,487.76
  4. Step 4: Simplify right side
    67,044x = 2,563,531,883.77
  5. Step 5: Solve for x
    x = 2,563,531,883.77/67,044
  6. Step 6: Final answer
    x = 38,236.56

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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.