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Finding the Fourth Proportional to 179,692.60, 269,501.10 and 90,862.60

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Solution

The fourth proportional to 179,692.60, 269,501.10 and 90,862.60 is: 136,274.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,692.60 : 269,501.10 = 90,862.60 : x
  2. Step 2: Convert to fraction form
    179,692.60/269,501.10 = 90,862.60/x
  3. Step 3: Cross multiply
    179,692.60x = 269,501.10 × 90,862.60
  4. Step 4: Simplify right side
    179,692.60x = 24,487,570,648.86
  5. Step 5: Solve for x
    x = 24,487,570,648.86/179,692.60
  6. Step 6: Final answer
    x = 136,274.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.