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Finding the Fourth Proportional to 91,858.44, 126,754.84 and 51,576.63

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Solution

The fourth proportional to 91,858.44, 126,754.84 and 51,576.63 is: 71,170.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,858.44 : 126,754.84 = 51,576.63 : x
  2. Step 2: Convert to fraction form
    91,858.44/126,754.84 = 51,576.63/x
  3. Step 3: Cross multiply
    91,858.44x = 126,754.84 × 51,576.63
  4. Step 4: Simplify right side
    91,858.44x = 6,537,587,483.39
  5. Step 5: Solve for x
    x = 6,537,587,483.39/91,858.44
  6. Step 6: Final answer
    x = 71,170.24

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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.