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Finding the Fourth Proportional to 277,602.90, 416,402.92 and 67,240.82

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Solution

The fourth proportional to 277,602.90, 416,402.92 and 67,240.82 is: 100,860.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,602.90 : 416,402.92 = 67,240.82 : x
  2. Step 2: Convert to fraction form
    277,602.90/416,402.92 = 67,240.82/x
  3. Step 3: Cross multiply
    277,602.90x = 416,402.92 × 67,240.82
  4. Step 4: Simplify right side
    277,602.90x = 27,999,273,791.19
  5. Step 5: Solve for x
    x = 27,999,273,791.19/277,602.90
  6. Step 6: Final answer
    x = 100,860.88

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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.