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Finding the Fourth Proportional to 301,095.27, 415,481.53 and 173,811.87

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Solution

The fourth proportional to 301,095.27, 415,481.53 and 173,811.87 is: 239,843.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,095.27 : 415,481.53 = 173,811.87 : x
  2. Step 2: Convert to fraction form
    301,095.27/415,481.53 = 173,811.87/x
  3. Step 3: Cross multiply
    301,095.27x = 415,481.53 × 173,811.87
  4. Step 4: Simplify right side
    301,095.27x = 72,215,621,679.76
  5. Step 5: Solve for x
    x = 72,215,621,679.76/301,095.27
  6. Step 6: Final answer
    x = 239,843.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.