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Finding the Fourth Proportional to 392,101.17, 588,104.99 and 107,820.60

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Solution

The fourth proportional to 392,101.17, 588,104.99 and 107,820.60 is: 161,718.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,101.17 : 588,104.99 = 107,820.60 : x
  2. Step 2: Convert to fraction form
    392,101.17/588,104.99 = 107,820.60/x
  3. Step 3: Cross multiply
    392,101.17x = 588,104.99 × 107,820.60
  4. Step 4: Simplify right side
    392,101.17x = 63,409,832,884.79
  5. Step 5: Solve for x
    x = 63,409,832,884.79/392,101.17
  6. Step 6: Final answer
    x = 161,718.04

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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.