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Finding the Fourth Proportional to 220,103.46, 330,111.45 and 107,735.40

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Solution

The fourth proportional to 220,103.46, 330,111.45 and 107,735.40 is: 161,581.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,103.46 : 330,111.45 = 107,735.40 : x
  2. Step 2: Convert to fraction form
    220,103.46/330,111.45 = 107,735.40/x
  3. Step 3: Cross multiply
    220,103.46x = 330,111.45 × 107,735.40
  4. Step 4: Simplify right side
    220,103.46x = 35,564,689,110.33
  5. Step 5: Solve for x
    x = 35,564,689,110.33/220,103.46
  6. Step 6: Final answer
    x = 161,581.69

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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.