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Finding the Fourth Proportional to 161,131.80, 241,697.70 and 161,131.80

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Solution

The fourth proportional to 161,131.80, 241,697.70 and 161,131.80 is: 241,697.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,131.80 : 241,697.70 = 161,131.80 : x
  2. Step 2: Convert to fraction form
    161,131.80/241,697.70 = 161,131.80/x
  3. Step 3: Cross multiply
    161,131.80x = 241,697.70 × 161,131.80
  4. Step 4: Simplify right side
    161,131.80x = 38,945,185,456.86
  5. Step 5: Solve for x
    x = 38,945,185,456.86/161,131.80
  6. Step 6: Final answer
    x = 241,697.70

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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.