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Finding the Fourth Proportional to 277,592.90, 416,387.93 and 67,230.81

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Solution

The fourth proportional to 277,592.90, 416,387.93 and 67,230.81 is: 100,845.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,592.90 : 416,387.93 = 67,230.81 : x
  2. Step 2: Convert to fraction form
    277,592.90/416,387.93 = 67,230.81/x
  3. Step 3: Cross multiply
    277,592.90x = 416,387.93 × 67,230.81
  4. Step 4: Simplify right side
    277,592.90x = 27,994,097,471.97
  5. Step 5: Solve for x
    x = 27,994,097,471.97/277,592.90
  6. Step 6: Final answer
    x = 100,845.87

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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.