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Finding the Fourth Proportional to 331,806.20, 497,587.80 and 107,225.60

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Solution

The fourth proportional to 331,806.20, 497,587.80 and 107,225.60 is: 160,799.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,806.20 : 497,587.80 = 107,225.60 : x
  2. Step 2: Convert to fraction form
    331,806.20/497,587.80 = 107,225.60/x
  3. Step 3: Cross multiply
    331,806.20x = 497,587.80 × 107,225.60
  4. Step 4: Simplify right side
    331,806.20x = 53,354,150,407.68
  5. Step 5: Solve for x
    x = 53,354,150,407.68/331,806.20
  6. Step 6: Final answer
    x = 160,799.14

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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.