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Finding the Fourth Proportional to 127,368.91, 191,053.16 and 33,874.66

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Solution

The fourth proportional to 127,368.91, 191,053.16 and 33,874.66 is: 50,811.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,368.91 : 191,053.16 = 33,874.66 : x
  2. Step 2: Convert to fraction form
    127,368.91/191,053.16 = 33,874.66/x
  3. Step 3: Cross multiply
    127,368.91x = 191,053.16 × 33,874.66
  4. Step 4: Simplify right side
    127,368.91x = 6,471,860,836.93
  5. Step 5: Solve for x
    x = 6,471,860,836.93/127,368.91
  6. Step 6: Final answer
    x = 50,811.94

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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.