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Finding the Fourth Proportional to 91,805.56, 137,709.11 and 25,249.34

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Solution

The fourth proportional to 91,805.56, 137,709.11 and 25,249.34 is: 37,874.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,805.56 : 137,709.11 = 25,249.34 : x
  2. Step 2: Convert to fraction form
    91,805.56/137,709.11 = 25,249.34/x
  3. Step 3: Cross multiply
    91,805.56x = 137,709.11 × 25,249.34
  4. Step 4: Simplify right side
    91,805.56x = 3,477,064,139.49
  5. Step 5: Solve for x
    x = 3,477,064,139.49/91,805.56
  6. Step 6: Final answer
    x = 37,874.22

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1.5x scale

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.