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Finding the Fourth Proportional to 342,029.42, 513,044.13 and 92,711.42

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Solution

The fourth proportional to 342,029.42, 513,044.13 and 92,711.42 is: 139,067.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,029.42 : 513,044.13 = 92,711.42 : x
  2. Step 2: Convert to fraction form
    342,029.42/513,044.13 = 92,711.42/x
  3. Step 3: Cross multiply
    342,029.42x = 513,044.13 × 92,711.42
  4. Step 4: Simplify right side
    342,029.42x = 47,565,049,814.96
  5. Step 5: Solve for x
    x = 47,565,049,814.96/342,029.42
  6. Step 6: Final answer
    x = 139,067.13

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Similar ratio
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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.