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Finding the Fourth Proportional to 160,794.58, 221,881.86 and 89,174.38

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Solution

The fourth proportional to 160,794.58, 221,881.86 and 89,174.38 is: 123,052.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,794.58 : 221,881.86 = 89,174.38 : x
  2. Step 2: Convert to fraction form
    160,794.58/221,881.86 = 89,174.38/x
  3. Step 3: Cross multiply
    160,794.58x = 221,881.86 × 89,174.38
  4. Step 4: Simplify right side
    160,794.58x = 19,786,177,298.75
  5. Step 5: Solve for x
    x = 19,786,177,298.75/160,794.58
  6. Step 6: Final answer
    x = 123,052.51

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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.