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Finding the Fourth Proportional to 127,511.91, 191,268.20 and 60,936.91

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Solution

The fourth proportional to 127,511.91, 191,268.20 and 60,936.91 is: 91,405.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,511.91 : 191,268.20 = 60,936.91 : x
  2. Step 2: Convert to fraction form
    127,511.91/191,268.20 = 60,936.91/x
  3. Step 3: Cross multiply
    127,511.91x = 191,268.20 × 60,936.91
  4. Step 4: Simplify right side
    127,511.91x = 11,655,292,763.43
  5. Step 5: Solve for x
    x = 11,655,292,763.43/127,511.91
  6. Step 6: Final answer
    x = 91,405.52

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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.