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Finding the Fourth Proportional to 66,792, 100,100.52 and 37,223.76

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Solution

The fourth proportional to 66,792, 100,100.52 and 37,223.76 is: 55,786.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,792 : 100,100.52 = 37,223.76 : x
  2. Step 2: Convert to fraction form
    66,792/100,100.52 = 37,223.76/x
  3. Step 3: Cross multiply
    66,792x = 100,100.52 × 37,223.76
  4. Step 4: Simplify right side
    66,792x = 3,726,117,732.36
  5. Step 5: Solve for x
    x = 3,726,117,732.36/66,792
  6. Step 6: Final answer
    x = 55,786.89

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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.