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Finding the Fourth Proportional to 115,852.32, 173,808.32 and 67,861.44

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Solution

The fourth proportional to 115,852.32, 173,808.32 and 67,861.44 is: 101,809.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,852.32 : 173,808.32 = 67,861.44 : x
  2. Step 2: Convert to fraction form
    115,852.32/173,808.32 = 67,861.44/x
  3. Step 3: Cross multiply
    115,852.32x = 173,808.32 × 67,861.44
  4. Step 4: Simplify right side
    115,852.32x = 11,794,882,879.18
  5. Step 5: Solve for x
    x = 11,794,882,879.18/115,852.32
  6. Step 6: Final answer
    x = 101,809.64

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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.