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Finding the Fourth Proportional to 112,507.63, 168,767.62 and 33,628.01

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Solution

The fourth proportional to 112,507.63, 168,767.62 and 33,628.01 is: 50,443.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,507.63 : 168,767.62 = 33,628.01 : x
  2. Step 2: Convert to fraction form
    112,507.63/168,767.62 = 33,628.01/x
  3. Step 3: Cross multiply
    112,507.63x = 168,767.62 × 33,628.01
  4. Step 4: Simplify right side
    112,507.63x = 5,675,319,234.45
  5. Step 5: Solve for x
    x = 5,675,319,234.45/112,507.63
  6. Step 6: Final answer
    x = 50,443.86

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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.