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Finding the Fourth Proportional to 252,707.16, 379,048.92 and 63,168.78

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Solution

The fourth proportional to 252,707.16, 379,048.92 and 63,168.78 is: 94,750.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,707.16 : 379,048.92 = 63,168.78 : x
  2. Step 2: Convert to fraction form
    252,707.16/379,048.92 = 63,168.78/x
  3. Step 3: Cross multiply
    252,707.16x = 379,048.92 × 63,168.78
  4. Step 4: Simplify right side
    252,707.16x = 23,944,057,836.72
  5. Step 5: Solve for x
    x = 23,944,057,836.72/252,707.16
  6. Step 6: Final answer
    x = 94,750.22

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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.