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Finding the Fourth Proportional to 133,680.53, 200,521.93 and 106,960.30

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Solution

The fourth proportional to 133,680.53, 200,521.93 and 106,960.30 is: 160,441.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,680.53 : 200,521.93 = 106,960.30 : x
  2. Step 2: Convert to fraction form
    133,680.53/200,521.93 = 106,960.30/x
  3. Step 3: Cross multiply
    133,680.53x = 200,521.93 × 106,960.30
  4. Step 4: Simplify right side
    133,680.53x = 21,447,885,221.22
  5. Step 5: Solve for x
    x = 21,447,885,221.22/133,680.53
  6. Step 6: Final answer
    x = 160,441.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.