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Finding the Fourth Proportional to 342,861.73, 514,326.38 and 118,192.59

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Solution

The fourth proportional to 342,861.73, 514,326.38 and 118,192.59 is: 177,300.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,861.73 : 514,326.38 = 118,192.59 : x
  2. Step 2: Convert to fraction form
    342,861.73/514,326.38 = 118,192.59/x
  3. Step 3: Cross multiply
    342,861.73x = 514,326.38 × 118,192.59
  4. Step 4: Simplify right side
    342,861.73x = 60,789,566,366.56
  5. Step 5: Solve for x
    x = 60,789,566,366.56/342,861.73
  6. Step 6: Final answer
    x = 177,300.53

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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.