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Finding the Fourth Proportional to 146,638.69, 219,469.83 and 110,903.11

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Solution

The fourth proportional to 146,638.69, 219,469.83 and 110,903.11 is: 165,985.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,638.69 : 219,469.83 = 110,903.11 : x
  2. Step 2: Convert to fraction form
    146,638.69/219,469.83 = 110,903.11/x
  3. Step 3: Cross multiply
    146,638.69x = 219,469.83 × 110,903.11
  4. Step 4: Simplify right side
    146,638.69x = 24,339,886,045.53
  5. Step 5: Solve for x
    x = 24,339,886,045.53/146,638.69
  6. Step 6: Final answer
    x = 165,985.43

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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.