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Finding the Fourth Proportional to 188,846.98, 260,613.09 and 107,180.62

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Solution

The fourth proportional to 188,846.98, 260,613.09 and 107,180.62 is: 147,911.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,846.98 : 260,613.09 = 107,180.62 : x
  2. Step 2: Convert to fraction form
    188,846.98/260,613.09 = 107,180.62/x
  3. Step 3: Cross multiply
    188,846.98x = 260,613.09 × 107,180.62
  4. Step 4: Simplify right side
    188,846.98x = 27,932,671,914.78
  5. Step 5: Solve for x
    x = 27,932,671,914.78/188,846.98
  6. Step 6: Final answer
    x = 147,911.67

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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.