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Finding the Fourth Proportional to 240,102.85, 331,360.84 and 136,741.44

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Solution

The fourth proportional to 240,102.85, 331,360.84 and 136,741.44 is: 188,713.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,102.85 : 331,360.84 = 136,741.44 : x
  2. Step 2: Convert to fraction form
    240,102.85/331,360.84 = 136,741.44/x
  3. Step 3: Cross multiply
    240,102.85x = 331,360.84 × 136,741.44
  4. Step 4: Simplify right side
    240,102.85x = 45,310,758,079.36
  5. Step 5: Solve for x
    x = 45,310,758,079.36/240,102.85
  6. Step 6: Final answer
    x = 188,713.96

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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.