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Finding the Fourth Proportional to 136,119.01, 187,847.49 and 75,692.20

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Solution

The fourth proportional to 136,119.01, 187,847.49 and 75,692.20 is: 104,457.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,119.01 : 187,847.49 = 75,692.20 : x
  2. Step 2: Convert to fraction form
    136,119.01/187,847.49 = 75,692.20/x
  3. Step 3: Cross multiply
    136,119.01x = 187,847.49 × 75,692.20
  4. Step 4: Simplify right side
    136,119.01x = 14,218,589,782.58
  5. Step 5: Solve for x
    x = 14,218,589,782.58/136,119.01
  6. Step 6: Final answer
    x = 104,457.05

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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.