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Finding the Fourth Proportional to 64,269.98, 88,692.68 and 35,198.22

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Solution

The fourth proportional to 64,269.98, 88,692.68 and 35,198.22 is: 48,573.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,269.98 : 88,692.68 = 35,198.22 : x
  2. Step 2: Convert to fraction form
    64,269.98/88,692.68 = 35,198.22/x
  3. Step 3: Cross multiply
    64,269.98x = 88,692.68 × 35,198.22
  4. Step 4: Simplify right side
    64,269.98x = 3,121,824,463.03
  5. Step 5: Solve for x
    x = 3,121,824,463.03/64,269.98
  6. Step 6: Final answer
    x = 48,573.60

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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.