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Finding the Fourth Proportional to 277,915.83, 416,870.46 and 67,553.97

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Solution

The fourth proportional to 277,915.83, 416,870.46 and 67,553.97 is: 101,330.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,915.83 : 416,870.46 = 67,553.97 : x
  2. Step 2: Convert to fraction form
    277,915.83/416,870.46 = 67,553.97/x
  3. Step 3: Cross multiply
    277,915.83x = 416,870.46 × 67,553.97
  4. Step 4: Simplify right side
    277,915.83x = 28,161,254,548.73
  5. Step 5: Solve for x
    x = 28,161,254,548.73/277,915.83
  6. Step 6: Final answer
    x = 101,330.16

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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.