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Finding the Fourth Proportional to 123,071.60, 169,793.21 and 94,396.39

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Solution

The fourth proportional to 123,071.60, 169,793.21 and 94,396.39 is: 130,232.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,071.60 : 169,793.21 = 94,396.39 : x
  2. Step 2: Convert to fraction form
    123,071.60/169,793.21 = 94,396.39/x
  3. Step 3: Cross multiply
    123,071.60x = 169,793.21 × 94,396.39
  4. Step 4: Simplify right side
    123,071.60x = 16,027,865,882.02
  5. Step 5: Solve for x
    x = 16,027,865,882.02/123,071.60
  6. Step 6: Final answer
    x = 130,232.04

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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.