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Finding the Fourth Proportional to 101,650.43, 152,475.65 and 49,162.43

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Solution

The fourth proportional to 101,650.43, 152,475.65 and 49,162.43 is: 73,743.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,650.43 : 152,475.65 = 49,162.43 : x
  2. Step 2: Convert to fraction form
    101,650.43/152,475.65 = 49,162.43/x
  3. Step 3: Cross multiply
    101,650.43x = 152,475.65 × 49,162.43
  4. Step 4: Simplify right side
    101,650.43x = 7,496,072,461.64
  5. Step 5: Solve for x
    x = 7,496,072,461.64/101,650.43
  6. Step 6: Final answer
    x = 73,743.64

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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.