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Finding the Fourth Proportional to 132,253.56, 198,201.78 and 61,975.80

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Solution

The fourth proportional to 132,253.56, 198,201.78 and 61,975.80 is: 92,880.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,253.56 : 198,201.78 = 61,975.80 : x
  2. Step 2: Convert to fraction form
    132,253.56/198,201.78 = 61,975.80/x
  3. Step 3: Cross multiply
    132,253.56x = 198,201.78 × 61,975.80
  4. Step 4: Simplify right side
    132,253.56x = 12,283,713,876.92
  5. Step 5: Solve for x
    x = 12,283,713,876.92/132,253.56
  6. Step 6: Final answer
    x = 92,880.02

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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.