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Finding the Fourth Proportional to 342,884.73, 514,351.74 and 118,241.93

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Solution

The fourth proportional to 342,884.73, 514,351.74 and 118,241.93 is: 177,371.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,884.73 : 514,351.74 = 118,241.93 : x
  2. Step 2: Convert to fraction form
    342,884.73/514,351.74 = 118,241.93/x
  3. Step 3: Cross multiply
    342,884.73x = 514,351.74 × 118,241.93
  4. Step 4: Simplify right side
    342,884.73x = 60,817,942,436.46
  5. Step 5: Solve for x
    x = 60,817,942,436.46/342,884.73
  6. Step 6: Final answer
    x = 177,371.39

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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.