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Finding the Fourth Proportional to 277,861.08, 416,788.35 and 67,499.22

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Solution

The fourth proportional to 277,861.08, 416,788.35 and 67,499.22 is: 101,248.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,861.08 : 416,788.35 = 67,499.22 : x
  2. Step 2: Convert to fraction form
    277,861.08/416,788.35 = 67,499.22/x
  3. Step 3: Cross multiply
    277,861.08x = 416,788.35 × 67,499.22
  4. Step 4: Simplify right side
    277,861.08x = 28,132,888,530.09
  5. Step 5: Solve for x
    x = 28,132,888,530.09/277,861.08
  6. Step 6: Final answer
    x = 101,248.04

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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.