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Finding the Fourth Proportional to 98,185.26, 135,494.75 and 54,576.68

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Solution

The fourth proportional to 98,185.26, 135,494.75 and 54,576.68 is: 75,315.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,185.26 : 135,494.75 = 54,576.68 : x
  2. Step 2: Convert to fraction form
    98,185.26/135,494.75 = 54,576.68/x
  3. Step 3: Cross multiply
    98,185.26x = 135,494.75 × 54,576.68
  4. Step 4: Simplify right side
    98,185.26x = 7,394,852,662.07
  5. Step 5: Solve for x
    x = 7,394,852,662.07/98,185.26
  6. Step 6: Final answer
    x = 75,315.30

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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.