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Finding the Fourth Proportional to 132,906.68, 183,406.10 and 75,553.55

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Solution

The fourth proportional to 132,906.68, 183,406.10 and 75,553.55 is: 104,260.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,906.68 : 183,406.10 = 75,553.55 : x
  2. Step 2: Convert to fraction form
    132,906.68/183,406.10 = 75,553.55/x
  3. Step 3: Cross multiply
    132,906.68x = 183,406.10 × 75,553.55
  4. Step 4: Simplify right side
    132,906.68x = 13,856,980,651.86
  5. Step 5: Solve for x
    x = 13,856,980,651.86/132,906.68
  6. Step 6: Final answer
    x = 104,260.98

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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.