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Finding the Fourth Proportional to 127,906.70, 191,993.12 and 94,210.76

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Solution

The fourth proportional to 127,906.70, 191,993.12 and 94,210.76 is: 141,414.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,906.70 : 191,993.12 = 94,210.76 : x
  2. Step 2: Convert to fraction form
    127,906.70/191,993.12 = 94,210.76/x
  3. Step 3: Cross multiply
    127,906.70x = 191,993.12 × 94,210.76
  4. Step 4: Simplify right side
    127,906.70x = 18,087,816,318.95
  5. Step 5: Solve for x
    x = 18,087,816,318.95/127,906.70
  6. Step 6: Final answer
    x = 141,414.15

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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.