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Finding the Fourth Proportional to 207,956.08, 312,109.08 and 194,834.08

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Solution

The fourth proportional to 207,956.08, 312,109.08 and 194,834.08 is: 292,415.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,956.08 : 312,109.08 = 194,834.08 : x
  2. Step 2: Convert to fraction form
    207,956.08/312,109.08 = 194,834.08/x
  3. Step 3: Cross multiply
    207,956.08x = 312,109.08 × 194,834.08
  4. Step 4: Simplify right side
    207,956.08x = 60,809,485,461.45
  5. Step 5: Solve for x
    x = 60,809,485,461.45/207,956.08
  6. Step 6: Final answer
    x = 292,415.04

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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.