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Finding the Fourth Proportional to 252,255.79, 378,372.75 and 62,712.19

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Solution

The fourth proportional to 252,255.79, 378,372.75 and 62,712.19 is: 94,065.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,255.79 : 378,372.75 = 62,712.19 : x
  2. Step 2: Convert to fraction form
    252,255.79/378,372.75 = 62,712.19/x
  3. Step 3: Cross multiply
    252,255.79x = 378,372.75 × 62,712.19
  4. Step 4: Simplify right side
    252,255.79x = 23,728,583,788.82
  5. Step 5: Solve for x
    x = 23,728,583,788.82/252,255.79
  6. Step 6: Final answer
    x = 94,065.57

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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.