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Finding the Fourth Proportional to 67,444.62, 101,171.88 and 19,411.26

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Solution

The fourth proportional to 67,444.62, 101,171.88 and 19,411.26 is: 29,118.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,444.62 : 101,171.88 = 19,411.26 : x
  2. Step 2: Convert to fraction form
    67,444.62/101,171.88 = 19,411.26/x
  3. Step 3: Cross multiply
    67,444.62x = 101,171.88 × 19,411.26
  4. Step 4: Simplify right side
    67,444.62x = 1,963,873,667.37
  5. Step 5: Solve for x
    x = 1,963,873,667.37/67,444.62
  6. Step 6: Final answer
    x = 29,118.31

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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.