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Finding the Fourth Proportional to 117,951.30, 162,786.24 and 70,204.80

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Solution

The fourth proportional to 117,951.30, 162,786.24 and 70,204.80 is: 96,890.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,951.30 : 162,786.24 = 70,204.80 : x
  2. Step 2: Convert to fraction form
    117,951.30/162,786.24 = 70,204.80/x
  3. Step 3: Cross multiply
    117,951.30x = 162,786.24 × 70,204.80
  4. Step 4: Simplify right side
    117,951.30x = 11,428,375,421.95
  5. Step 5: Solve for x
    x = 11,428,375,421.95/117,951.30
  6. Step 6: Final answer
    x = 96,890.63

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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.