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Finding the Fourth Proportional to 208,191.68, 312,240.82 and 95,763.93

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Solution

The fourth proportional to 208,191.68, 312,240.82 and 95,763.93 is: 143,624.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,191.68 : 312,240.82 = 95,763.93 : x
  2. Step 2: Convert to fraction form
    208,191.68/312,240.82 = 95,763.93/x
  3. Step 3: Cross multiply
    208,191.68x = 312,240.82 × 95,763.93
  4. Step 4: Simplify right side
    208,191.68x = 29,901,408,029.62
  5. Step 5: Solve for x
    x = 29,901,408,029.62/208,191.68
  6. Step 6: Final answer
    x = 143,624.41

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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.