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Finding the Fourth Proportional to 150,645.44, 207,883.76 and 82,660.76

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Solution

The fourth proportional to 150,645.44, 207,883.76 and 82,660.76 is: 114,068.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,645.44 : 207,883.76 = 82,660.76 : x
  2. Step 2: Convert to fraction form
    150,645.44/207,883.76 = 82,660.76/x
  3. Step 3: Cross multiply
    150,645.44x = 207,883.76 × 82,660.76
  4. Step 4: Simplify right side
    150,645.44x = 17,183,829,593.26
  5. Step 5: Solve for x
    x = 17,183,829,593.26/150,645.44
  6. Step 6: Final answer
    x = 114,068.04

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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.