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Finding the Fourth Proportional to 74,886.97, 103,339.78 and 44,706.37

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Solution

The fourth proportional to 74,886.97, 103,339.78 and 44,706.37 is: 61,692.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,886.97 : 103,339.78 = 44,706.37 : x
  2. Step 2: Convert to fraction form
    74,886.97/103,339.78 = 44,706.37/x
  3. Step 3: Cross multiply
    74,886.97x = 103,339.78 × 44,706.37
  4. Step 4: Simplify right side
    74,886.97x = 4,619,946,440.40
  5. Step 5: Solve for x
    x = 4,619,946,440.40/74,886.97
  6. Step 6: Final answer
    x = 61,692.26

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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.