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Finding the Fourth Proportional to 161,249.48, 241,811.98 and 53,152.88

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Solution

The fourth proportional to 161,249.48, 241,811.98 and 53,152.88 is: 79,708.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,249.48 : 241,811.98 = 53,152.88 : x
  2. Step 2: Convert to fraction form
    161,249.48/241,811.98 = 53,152.88/x
  3. Step 3: Cross multiply
    161,249.48x = 241,811.98 × 53,152.88
  4. Step 4: Simplify right side
    161,249.48x = 12,853,003,627.15
  5. Step 5: Solve for x
    x = 12,853,003,627.15/161,249.48
  6. Step 6: Final answer
    x = 79,708.81

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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.