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Finding the Fourth Proportional to 70,936.56, 98,033.49 and 58,169.88

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Solution

The fourth proportional to 70,936.56, 98,033.49 and 58,169.88 is: 80,390.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,936.56 : 98,033.49 = 58,169.88 : x
  2. Step 2: Convert to fraction form
    70,936.56/98,033.49 = 58,169.88/x
  3. Step 3: Cross multiply
    70,936.56x = 98,033.49 × 58,169.88
  4. Step 4: Simplify right side
    70,936.56x = 5,702,596,349.28
  5. Step 5: Solve for x
    x = 5,702,596,349.28/70,936.56
  6. Step 6: Final answer
    x = 80,390.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.