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Finding the Fourth Proportional to 150,258.92, 207,371.22 and 83,190.92

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Solution

The fourth proportional to 150,258.92, 207,371.22 and 83,190.92 is: 114,811.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,258.92 : 207,371.22 = 83,190.92 : x
  2. Step 2: Convert to fraction form
    150,258.92/207,371.22 = 83,190.92/x
  3. Step 3: Cross multiply
    150,258.92x = 207,371.22 × 83,190.92
  4. Step 4: Simplify right side
    150,258.92x = 17,251,402,573.32
  5. Step 5: Solve for x
    x = 17,251,402,573.32/150,258.92
  6. Step 6: Final answer
    x = 114,811.17

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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.