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Finding the Fourth Proportional to 342,864.44, 514,330.47 and 118,195.31

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Solution

The fourth proportional to 342,864.44, 514,330.47 and 118,195.31 is: 177,304.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,864.44 : 514,330.47 = 118,195.31 : x
  2. Step 2: Convert to fraction form
    342,864.44/514,330.47 = 118,195.31/x
  3. Step 3: Cross multiply
    342,864.44x = 514,330.47 × 118,195.31
  4. Step 4: Simplify right side
    342,864.44x = 60,791,450,629.92
  5. Step 5: Solve for x
    x = 60,791,450,629.92/342,864.44
  6. Step 6: Final answer
    x = 177,304.63

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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.