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Finding the Fourth Proportional to 292,924, 439,227.92 and 132,912.64

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Solution

The fourth proportional to 292,924, 439,227.92 and 132,912.64 is: 199,297.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,924 : 439,227.92 = 132,912.64 : x
  2. Step 2: Convert to fraction form
    292,924/439,227.92 = 132,912.64/x
  3. Step 3: Cross multiply
    292,924x = 439,227.92 × 132,912.64
  4. Step 4: Simplify right side
    292,924x = 58,378,942,408.91
  5. Step 5: Solve for x
    x = 58,378,942,408.91/292,924
  6. Step 6: Final answer
    x = 199,297.23

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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.