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Finding the Fourth Proportional to 164,143.53, 226,517.72 and 88,692.03

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Solution

The fourth proportional to 164,143.53, 226,517.72 and 88,692.03 is: 122,394.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,143.53 : 226,517.72 = 88,692.03 : x
  2. Step 2: Convert to fraction form
    164,143.53/226,517.72 = 88,692.03/x
  3. Step 3: Cross multiply
    164,143.53x = 226,517.72 × 88,692.03
  4. Step 4: Simplify right side
    164,143.53x = 20,090,315,974.31
  5. Step 5: Solve for x
    x = 20,090,315,974.31/164,143.53
  6. Step 6: Final answer
    x = 122,394.81

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1.5x scale

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.