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Finding the Fourth Proportional to 74,698.62, 103,076.78 and 44,477.94

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Solution

The fourth proportional to 74,698.62, 103,076.78 and 44,477.94 is: 61,375.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,698.62 : 103,076.78 = 44,477.94 : x
  2. Step 2: Convert to fraction form
    74,698.62/103,076.78 = 44,477.94/x
  3. Step 3: Cross multiply
    74,698.62x = 103,076.78 × 44,477.94
  4. Step 4: Simplify right side
    74,698.62x = 4,584,642,836.23
  5. Step 5: Solve for x
    x = 4,584,642,836.23/74,698.62
  6. Step 6: Final answer
    x = 61,375.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.