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Finding the Fourth Proportional to 116,601.40, 160,824.70 and 76,250.44

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Solution

The fourth proportional to 116,601.40, 160,824.70 and 76,250.44 is: 105,169.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,601.40 : 160,824.70 = 76,250.44 : x
  2. Step 2: Convert to fraction form
    116,601.40/160,824.70 = 76,250.44/x
  3. Step 3: Cross multiply
    116,601.40x = 160,824.70 × 76,250.44
  4. Step 4: Simplify right side
    116,601.40x = 12,262,954,137.87
  5. Step 5: Solve for x
    x = 12,262,954,137.87/116,601.40
  6. Step 6: Final answer
    x = 105,169.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.