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Finding the Fourth Proportional to 127,339.97, 191,009.75 and 33,845.72

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Solution

The fourth proportional to 127,339.97, 191,009.75 and 33,845.72 is: 50,768.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,339.97 : 191,009.75 = 33,845.72 : x
  2. Step 2: Convert to fraction form
    127,339.97/191,009.75 = 33,845.72/x
  3. Step 3: Cross multiply
    127,339.97x = 191,009.75 × 33,845.72
  4. Step 4: Simplify right side
    127,339.97x = 6,464,863,077.91
  5. Step 5: Solve for x
    x = 6,464,863,077.91/127,339.97
  6. Step 6: Final answer
    x = 50,768.53

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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.