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Finding the Fourth Proportional to 235,044.54, 324,366.93 and 139,551.48

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Solution

The fourth proportional to 235,044.54, 324,366.93 and 139,551.48 is: 192,584.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,044.54 : 324,366.93 = 139,551.48 : x
  2. Step 2: Convert to fraction form
    235,044.54/324,366.93 = 139,551.48/x
  3. Step 3: Cross multiply
    235,044.54x = 324,366.93 × 139,551.48
  4. Step 4: Simplify right side
    235,044.54x = 45,265,885,144.56
  5. Step 5: Solve for x
    x = 45,265,885,144.56/235,044.54
  6. Step 6: Final answer
    x = 192,584.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.