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Finding the Fourth Proportional to 127,379.16, 191,068.52 and 33,884.91

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Solution

The fourth proportional to 127,379.16, 191,068.52 and 33,884.91 is: 50,827.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,379.16 : 191,068.52 = 33,884.91 : x
  2. Step 2: Convert to fraction form
    127,379.16/191,068.52 = 33,884.91/x
  3. Step 3: Cross multiply
    127,379.16x = 191,068.52 × 33,884.91
  4. Step 4: Simplify right side
    127,379.16x = 6,474,339,434.61
  5. Step 5: Solve for x
    x = 6,474,339,434.61/127,379.16
  6. Step 6: Final answer
    x = 50,827.31

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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.