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Finding the Fourth Proportional to 160,907.73, 222,053.03 and 89,287.93

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Solution

The fourth proportional to 160,907.73, 222,053.03 and 89,287.93 is: 123,217.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,907.73 : 222,053.03 = 89,287.93 : x
  2. Step 2: Convert to fraction form
    160,907.73/222,053.03 = 89,287.93/x
  3. Step 3: Cross multiply
    160,907.73x = 222,053.03 × 89,287.93
  4. Step 4: Simplify right side
    160,907.73x = 19,826,655,398.93
  5. Step 5: Solve for x
    x = 19,826,655,398.93/160,907.73
  6. Step 6: Final answer
    x = 123,217.54

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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.