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Finding the Fourth Proportional to 342,771.22, 514,151.31 and 93,453.22

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Solution

The fourth proportional to 342,771.22, 514,151.31 and 93,453.22 is: 140,178.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,771.22 : 514,151.31 = 93,453.22 : x
  2. Step 2: Convert to fraction form
    342,771.22/514,151.31 = 93,453.22/x
  3. Step 3: Cross multiply
    342,771.22x = 514,151.31 × 93,453.22
  4. Step 4: Simplify right side
    342,771.22x = 48,049,095,486.72
  5. Step 5: Solve for x
    x = 48,049,095,486.72/342,771.22
  6. Step 6: Final answer
    x = 140,178.33

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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.