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Finding the Fourth Proportional to 293,031.20, 439,741.20 and 166,671.20

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Solution

The fourth proportional to 293,031.20, 439,741.20 and 166,671.20 is: 250,117.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,031.20 : 439,741.20 = 166,671.20 : x
  2. Step 2: Convert to fraction form
    293,031.20/439,741.20 = 166,671.20/x
  3. Step 3: Cross multiply
    293,031.20x = 439,741.20 × 166,671.20
  4. Step 4: Simplify right side
    293,031.20x = 73,292,193,493.44
  5. Step 5: Solve for x
    x = 73,292,193,493.44/293,031.20
  6. Step 6: Final answer
    x = 250,117.37

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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.