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Finding the Fourth Proportional to 74,696.66, 111,963.44 and 36,772.02

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Solution

The fourth proportional to 74,696.66, 111,963.44 and 36,772.02 is: 55,117.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,696.66 : 111,963.44 = 36,772.02 : x
  2. Step 2: Convert to fraction form
    74,696.66/111,963.44 = 36,772.02/x
  3. Step 3: Cross multiply
    74,696.66x = 111,963.44 × 36,772.02
  4. Step 4: Simplify right side
    74,696.66x = 4,117,122,384.69
  5. Step 5: Solve for x
    x = 4,117,122,384.69/74,696.66
  6. Step 6: Final answer
    x = 55,117.89

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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.