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Finding the Fourth Proportional to 185,211.56, 277,817.34 and 80,104.34

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Solution

The fourth proportional to 185,211.56, 277,817.34 and 80,104.34 is: 120,156.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,211.56 : 277,817.34 = 80,104.34 : x
  2. Step 2: Convert to fraction form
    185,211.56/277,817.34 = 80,104.34/x
  3. Step 3: Cross multiply
    185,211.56x = 277,817.34 × 80,104.34
  4. Step 4: Simplify right side
    185,211.56x = 22,254,375,656.19
  5. Step 5: Solve for x
    x = 22,254,375,656.19/185,211.56
  6. Step 6: Final answer
    x = 120,156.51

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1.5x scale

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.