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Finding the Fourth Proportional to 252,570.12, 378,738.54 and 94,685.64

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Solution

The fourth proportional to 252,570.12, 378,738.54 and 94,685.64 is: 141,984.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,570.12 : 378,738.54 = 94,685.64 : x
  2. Step 2: Convert to fraction form
    252,570.12/378,738.54 = 94,685.64/x
  3. Step 3: Cross multiply
    252,570.12x = 378,738.54 × 94,685.64
  4. Step 4: Simplify right side
    252,570.12x = 35,861,101,052.57
  5. Step 5: Solve for x
    x = 35,861,101,052.57/252,570.12
  6. Step 6: Final answer
    x = 141,984.73

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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.