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Finding the Fourth Proportional to 92,806.97, 139,238.06 and 29,631.15

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Solution

The fourth proportional to 92,806.97, 139,238.06 and 29,631.15 is: 44,455.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,806.97 : 139,238.06 = 29,631.15 : x
  2. Step 2: Convert to fraction form
    92,806.97/139,238.06 = 29,631.15/x
  3. Step 3: Cross multiply
    92,806.97x = 139,238.06 × 29,631.15
  4. Step 4: Simplify right side
    92,806.97x = 4,125,783,693.41
  5. Step 5: Solve for x
    x = 4,125,783,693.41/92,806.97
  6. Step 6: Final answer
    x = 44,455.54

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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.