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Finding the Fourth Proportional to 131,493.30, 197,167.05 and 56,600.70

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Solution

The fourth proportional to 131,493.30, 197,167.05 and 56,600.70 is: 84,869.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,493.30 : 197,167.05 = 56,600.70 : x
  2. Step 2: Convert to fraction form
    131,493.30/197,167.05 = 56,600.70/x
  3. Step 3: Cross multiply
    131,493.30x = 197,167.05 × 56,600.70
  4. Step 4: Simplify right side
    131,493.30x = 11,159,793,046.94
  5. Step 5: Solve for x
    x = 11,159,793,046.94/131,493.30
  6. Step 6: Final answer
    x = 84,869.67

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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.