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Finding the Fourth Proportional to 228,934.70, 343,402.05 and 95,770.70

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Solution

The fourth proportional to 228,934.70, 343,402.05 and 95,770.70 is: 143,656.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,934.70 : 343,402.05 = 95,770.70 : x
  2. Step 2: Convert to fraction form
    228,934.70/343,402.05 = 95,770.70/x
  3. Step 3: Cross multiply
    228,934.70x = 343,402.05 × 95,770.70
  4. Step 4: Simplify right side
    228,934.70x = 32,887,854,709.94
  5. Step 5: Solve for x
    x = 32,887,854,709.94/228,934.70
  6. Step 6: Final answer
    x = 143,656.05

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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.