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Finding the Fourth Proportional to 159,280.92, 219,805.92 and 111,516.84

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Solution

The fourth proportional to 159,280.92, 219,805.92 and 111,516.84 is: 153,892.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,280.92 : 219,805.92 = 111,516.84 : x
  2. Step 2: Convert to fraction form
    159,280.92/219,805.92 = 111,516.84/x
  3. Step 3: Cross multiply
    159,280.92x = 219,805.92 × 111,516.84
  4. Step 4: Simplify right side
    159,280.92x = 24,512,061,611.69
  5. Step 5: Solve for x
    x = 24,512,061,611.69/159,280.92
  6. Step 6: Final answer
    x = 153,892.01

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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.