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Finding the Fourth Proportional to 161,403.90, 242,144.70 and 50,595.90

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Solution

The fourth proportional to 161,403.90, 242,144.70 and 50,595.90 is: 75,906.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,403.90 : 242,144.70 = 50,595.90 : x
  2. Step 2: Convert to fraction form
    161,403.90/242,144.70 = 50,595.90/x
  3. Step 3: Cross multiply
    161,403.90x = 242,144.70 × 50,595.90
  4. Step 4: Simplify right side
    161,403.90x = 12,251,529,026.73
  5. Step 5: Solve for x
    x = 12,251,529,026.73/161,403.90
  6. Step 6: Final answer
    x = 75,906.03

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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.