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Finding the Fourth Proportional to 74,698.94, 103,062.56 and 44,469.12

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Solution

The fourth proportional to 74,698.94, 103,062.56 and 44,469.12 is: 61,354.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,698.94 : 103,062.56 = 44,469.12 : x
  2. Step 2: Convert to fraction form
    74,698.94/103,062.56 = 44,469.12/x
  3. Step 3: Cross multiply
    74,698.94x = 103,062.56 × 44,469.12
  4. Step 4: Simplify right side
    74,698.94x = 4,583,101,348.15
  5. Step 5: Solve for x
    x = 4,583,101,348.15/74,698.94
  6. Step 6: Final answer
    x = 61,354.30

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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.