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Finding the Fourth Proportional to 342,113.22, 513,170.10 and 92,795.22

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Solution

The fourth proportional to 342,113.22, 513,170.10 and 92,795.22 is: 139,192.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,113.22 : 513,170.10 = 92,795.22 : x
  2. Step 2: Convert to fraction form
    342,113.22/513,170.10 = 92,795.22/x
  3. Step 3: Cross multiply
    342,113.22x = 513,170.10 × 92,795.22
  4. Step 4: Simplify right side
    342,113.22x = 47,619,732,326.92
  5. Step 5: Solve for x
    x = 47,619,732,326.92/342,113.22
  6. Step 6: Final answer
    x = 139,192.90

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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.