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Finding the Fourth Proportional to 127,992.57, 191,966.97 and 34,476.45

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Solution

The fourth proportional to 127,992.57, 191,966.97 and 34,476.45 is: 51,708.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,992.57 : 191,966.97 = 34,476.45 : x
  2. Step 2: Convert to fraction form
    127,992.57/191,966.97 = 34,476.45/x
  3. Step 3: Cross multiply
    127,992.57x = 191,966.97 × 34,476.45
  4. Step 4: Simplify right side
    127,992.57x = 6,618,339,642.86
  5. Step 5: Solve for x
    x = 6,618,339,642.86/127,992.57
  6. Step 6: Final answer
    x = 51,708.78

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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.