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Finding the Fourth Proportional to 160,549.28, 221,558.03 and 88,933.94

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Solution

The fourth proportional to 160,549.28, 221,558.03 and 88,933.94 is: 122,728.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,549.28 : 221,558.03 = 88,933.94 : x
  2. Step 2: Convert to fraction form
    160,549.28/221,558.03 = 88,933.94/x
  3. Step 3: Cross multiply
    160,549.28x = 221,558.03 × 88,933.94
  4. Step 4: Simplify right side
    160,549.28x = 19,704,028,378.82
  5. Step 5: Solve for x
    x = 19,704,028,378.82/160,549.28
  6. Step 6: Final answer
    x = 122,728.85

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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.