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Finding the Fourth Proportional to 342,136.52, 513,206.64 and 92,818.52

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Solution

The fourth proportional to 342,136.52, 513,206.64 and 92,818.52 is: 139,228.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,136.52 : 513,206.64 = 92,818.52 : x
  2. Step 2: Convert to fraction form
    342,136.52/513,206.64 = 92,818.52/x
  3. Step 3: Cross multiply
    342,136.52x = 513,206.64 × 92,818.52
  4. Step 4: Simplify right side
    342,136.52x = 47,635,080,778.97
  5. Step 5: Solve for x
    x = 47,635,080,778.97/342,136.52
  6. Step 6: Final answer
    x = 139,228.28

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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.