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Finding the Fourth Proportional to 160,549.91, 221,558.89 and 88,934.57

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Solution

The fourth proportional to 160,549.91, 221,558.89 and 88,934.57 is: 122,729.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,549.91 : 221,558.89 = 88,934.57 : x
  2. Step 2: Convert to fraction form
    160,549.91/221,558.89 = 88,934.57/x
  3. Step 3: Cross multiply
    160,549.91x = 221,558.89 × 88,934.57
  4. Step 4: Simplify right side
    160,549.91x = 19,704,244,611.83
  5. Step 5: Solve for x
    x = 19,704,244,611.83/160,549.91
  6. Step 6: Final answer
    x = 122,729.71

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1.5x scale

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.