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Finding the Fourth Proportional to 160,393.87, 221,342.73 and 88,773.71

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Solution

The fourth proportional to 160,393.87, 221,342.73 and 88,773.71 is: 122,507.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,393.87 : 221,342.73 = 88,773.71 : x
  2. Step 2: Convert to fraction form
    160,393.87/221,342.73 = 88,773.71/x
  3. Step 3: Cross multiply
    160,393.87x = 221,342.73 × 88,773.71
  4. Step 4: Simplify right side
    160,393.87x = 19,649,413,884.01
  5. Step 5: Solve for x
    x = 19,649,413,884.01/160,393.87
  6. Step 6: Final answer
    x = 122,507.26

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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.