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Finding the Fourth Proportional to 67,698.58, 101,606.20 and 32,667.70

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Solution

The fourth proportional to 67,698.58, 101,606.20 and 32,667.70 is: 49,029.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,698.58 : 101,606.20 = 32,667.70 : x
  2. Step 2: Convert to fraction form
    67,698.58/101,606.20 = 32,667.70/x
  3. Step 3: Cross multiply
    67,698.58x = 101,606.20 × 32,667.70
  4. Step 4: Simplify right side
    67,698.58x = 3,319,240,859.74
  5. Step 5: Solve for x
    x = 3,319,240,859.74/67,698.58
  6. Step 6: Final answer
    x = 49,029.70

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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.