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Finding the Fourth Proportional to 189,510.20, 284,170.20 and 63,105.84

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Solution

The fourth proportional to 189,510.20, 284,170.20 and 63,105.84 is: 94,627.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,510.20 : 284,170.20 = 63,105.84 : x
  2. Step 2: Convert to fraction form
    189,510.20/284,170.20 = 63,105.84/x
  3. Step 3: Cross multiply
    189,510.20x = 284,170.20 × 63,105.84
  4. Step 4: Simplify right side
    189,510.20x = 17,932,799,173.97
  5. Step 5: Solve for x
    x = 17,932,799,173.97/189,510.20
  6. Step 6: Final answer
    x = 94,627.09

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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.