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Finding the Fourth Proportional to 207,236.76, 285,986.22 and 116,592.78

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Solution

The fourth proportional to 207,236.76, 285,986.22 and 116,592.78 is: 160,897.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,236.76 : 285,986.22 = 116,592.78 : x
  2. Step 2: Convert to fraction form
    207,236.76/285,986.22 = 116,592.78/x
  3. Step 3: Cross multiply
    207,236.76x = 285,986.22 × 116,592.78
  4. Step 4: Simplify right side
    207,236.76x = 33,343,928,431.49
  5. Step 5: Solve for x
    x = 33,343,928,431.49/207,236.76
  6. Step 6: Final answer
    x = 160,897.75

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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.