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Finding the Fourth Proportional to 228,811.96, 343,267.49 and 93,876.34

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Solution

The fourth proportional to 228,811.96, 343,267.49 and 93,876.34 is: 140,834.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,811.96 : 343,267.49 = 93,876.34 : x
  2. Step 2: Convert to fraction form
    228,811.96/343,267.49 = 93,876.34/x
  3. Step 3: Cross multiply
    228,811.96x = 343,267.49 × 93,876.34
  4. Step 4: Simplify right side
    228,811.96x = 32,224,693,416.47
  5. Step 5: Solve for x
    x = 32,224,693,416.47/228,811.96
  6. Step 6: Final answer
    x = 140,834.83

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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.