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Finding the Fourth Proportional to 160,786.24, 221,881.56 and 92,797.88

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Solution

The fourth proportional to 160,786.24, 221,881.56 and 92,797.88 is: 128,059.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,786.24 : 221,881.56 = 92,797.88 : x
  2. Step 2: Convert to fraction form
    160,786.24/221,881.56 = 92,797.88/x
  3. Step 3: Cross multiply
    160,786.24x = 221,881.56 × 92,797.88
  4. Step 4: Simplify right side
    160,786.24x = 20,590,138,379.09
  5. Step 5: Solve for x
    x = 20,590,138,379.09/160,786.24
  6. Step 6: Final answer
    x = 128,059.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.