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Finding the Fourth Proportional to 115,611, 173,336.82 and 45,498.36

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Solution

The fourth proportional to 115,611, 173,336.82 and 45,498.36 is: 68,216.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,611 : 173,336.82 = 45,498.36 : x
  2. Step 2: Convert to fraction form
    115,611/173,336.82 = 45,498.36/x
  3. Step 3: Cross multiply
    115,611x = 173,336.82 × 45,498.36
  4. Step 4: Simplify right side
    115,611x = 7,886,541,037.62
  5. Step 5: Solve for x
    x = 7,886,541,037.62/115,611
  6. Step 6: Final answer
    x = 68,216.18

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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.