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Finding the Fourth Proportional to 178,093.83, 266,908.14 and 135,819.12

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Solution

The fourth proportional to 178,093.83, 266,908.14 and 135,819.12 is: 203,551.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,093.83 : 266,908.14 = 135,819.12 : x
  2. Step 2: Convert to fraction form
    178,093.83/266,908.14 = 135,819.12/x
  3. Step 3: Cross multiply
    178,093.83x = 266,908.14 × 135,819.12
  4. Step 4: Simplify right side
    178,093.83x = 36,251,228,695.64
  5. Step 5: Solve for x
    x = 36,251,228,695.64/178,093.83
  6. Step 6: Final answer
    x = 203,551.29

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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.