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Finding the Fourth Proportional to 115,491.33, 173,243.11 and 36,611.71

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Solution

The fourth proportional to 115,491.33, 173,243.11 and 36,611.71 is: 54,919.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,491.33 : 173,243.11 = 36,611.71 : x
  2. Step 2: Convert to fraction form
    115,491.33/173,243.11 = 36,611.71/x
  3. Step 3: Cross multiply
    115,491.33x = 173,243.11 × 36,611.71
  4. Step 4: Simplify right side
    115,491.33x = 6,342,726,319.76
  5. Step 5: Solve for x
    x = 6,342,726,319.76/115,491.33
  6. Step 6: Final answer
    x = 54,919.50

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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.