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Finding the Fourth Proportional to 255,218.54, 382,798.66 and 68,244.62

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Solution

The fourth proportional to 255,218.54, 382,798.66 and 68,244.62 is: 102,359.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,218.54 : 382,798.66 = 68,244.62 : x
  2. Step 2: Convert to fraction form
    255,218.54/382,798.66 = 68,244.62/x
  3. Step 3: Cross multiply
    255,218.54x = 382,798.66 × 68,244.62
  4. Step 4: Simplify right side
    255,218.54x = 26,123,949,874.59
  5. Step 5: Solve for x
    x = 26,123,949,874.59/255,218.54
  6. Step 6: Final answer
    x = 102,359.14

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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.