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Finding the Fourth Proportional to 99,955.92, 149,933.82 and 26,083.92

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Solution

The fourth proportional to 99,955.92, 149,933.82 and 26,083.92 is: 39,125.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,955.92 : 149,933.82 = 26,083.92 : x
  2. Step 2: Convert to fraction form
    99,955.92/149,933.82 = 26,083.92/x
  3. Step 3: Cross multiply
    99,955.92x = 149,933.82 × 26,083.92
  4. Step 4: Simplify right side
    99,955.92x = 3,910,861,766.17
  5. Step 5: Solve for x
    x = 3,910,861,766.17/99,955.92
  6. Step 6: Final answer
    x = 39,125.86

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1.5x scale

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.