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Finding the Fourth Proportional to 61,492.23, 92,238.37 and 47,472.73

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Solution

The fourth proportional to 61,492.23, 92,238.37 and 47,472.73 is: 71,209.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,492.23 : 92,238.37 = 47,472.73 : x
  2. Step 2: Convert to fraction form
    61,492.23/92,238.37 = 47,472.73/x
  3. Step 3: Cross multiply
    61,492.23x = 92,238.37 × 47,472.73
  4. Step 4: Simplify right side
    61,492.23x = 4,378,807,234.65
  5. Step 5: Solve for x
    x = 4,378,807,234.65/61,492.23
  6. Step 6: Final answer
    x = 71,209.11

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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.