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Finding the Fourth Proportional to 277,866.10, 416,795.50 and 67,503.43

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Solution

The fourth proportional to 277,866.10, 416,795.50 and 67,503.43 is: 101,254.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,866.10 : 416,795.50 = 67,503.43 : x
  2. Step 2: Convert to fraction form
    277,866.10/416,795.50 = 67,503.43/x
  3. Step 3: Cross multiply
    277,866.10x = 416,795.50 × 67,503.43
  4. Step 4: Simplify right side
    277,866.10x = 28,135,125,858.57
  5. Step 5: Solve for x
    x = 28,135,125,858.57/277,866.10
  6. Step 6: Final answer
    x = 101,254.26

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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.