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Finding the Fourth Proportional to 160,635.53, 221,682.75 and 96,960.89

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Solution

The fourth proportional to 160,635.53, 221,682.75 and 96,960.89 is: 133,809.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,635.53 : 221,682.75 = 96,960.89 : x
  2. Step 2: Convert to fraction form
    160,635.53/221,682.75 = 96,960.89/x
  3. Step 3: Cross multiply
    160,635.53x = 221,682.75 × 96,960.89
  4. Step 4: Simplify right side
    160,635.53x = 21,494,556,737.65
  5. Step 5: Solve for x
    x = 21,494,556,737.65/160,635.53
  6. Step 6: Final answer
    x = 133,809.48

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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.