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Finding the Fourth Proportional to 127,754.04, 191,654.12 and 52,833.48

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Solution

The fourth proportional to 127,754.04, 191,654.12 and 52,833.48 is: 79,259.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,754.04 : 191,654.12 = 52,833.48 : x
  2. Step 2: Convert to fraction form
    127,754.04/191,654.12 = 52,833.48/x
  3. Step 3: Cross multiply
    127,754.04x = 191,654.12 × 52,833.48
  4. Step 4: Simplify right side
    127,754.04x = 10,125,754,115.94
  5. Step 5: Solve for x
    x = 10,125,754,115.94/127,754.04
  6. Step 6: Final answer
    x = 79,259.76

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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.