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Finding the Fourth Proportional to 136,527.84, 204,199.92 and 80,233.92

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Solution

The fourth proportional to 136,527.84, 204,199.92 and 80,233.92 is: 120,003.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,527.84 : 204,199.92 = 80,233.92 : x
  2. Step 2: Convert to fraction form
    136,527.84/204,199.92 = 80,233.92/x
  3. Step 3: Cross multiply
    136,527.84x = 204,199.92 × 80,233.92
  4. Step 4: Simplify right side
    136,527.84x = 16,383,760,045.29
  5. Step 5: Solve for x
    x = 16,383,760,045.29/136,527.84
  6. Step 6: Final answer
    x = 120,003.07

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1.5x scale

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.