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Finding the Fourth Proportional to 188,118.56, 259,586.48 and 111,624.48

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Solution

The fourth proportional to 188,118.56, 259,586.48 and 111,624.48 is: 154,031.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,118.56 : 259,586.48 = 111,624.48 : x
  2. Step 2: Convert to fraction form
    188,118.56/259,586.48 = 111,624.48/x
  3. Step 3: Cross multiply
    188,118.56x = 259,586.48 × 111,624.48
  4. Step 4: Simplify right side
    188,118.56x = 28,976,205,574.69
  5. Step 5: Solve for x
    x = 28,976,205,574.69/188,118.56
  6. Step 6: Final answer
    x = 154,031.61

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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.