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Finding the Fourth Proportional to 242,402.90, 363,604.35 and 167,753.30

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Solution

The fourth proportional to 242,402.90, 363,604.35 and 167,753.30 is: 251,629.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,402.90 : 363,604.35 = 167,753.30 : x
  2. Step 2: Convert to fraction form
    242,402.90/363,604.35 = 167,753.30/x
  3. Step 3: Cross multiply
    242,402.90x = 363,604.35 × 167,753.30
  4. Step 4: Simplify right side
    242,402.90x = 60,995,829,606.86
  5. Step 5: Solve for x
    x = 60,995,829,606.86/242,402.90
  6. Step 6: Final answer
    x = 251,629.95

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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.