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Finding the Fourth Proportional to 225,923.70, 338,841.81 and 76,148.22

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Solution

The fourth proportional to 225,923.70, 338,841.81 and 76,148.22 is: 114,207.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,923.70 : 338,841.81 = 76,148.22 : x
  2. Step 2: Convert to fraction form
    225,923.70/338,841.81 = 76,148.22/x
  3. Step 3: Cross multiply
    225,923.70x = 338,841.81 × 76,148.22
  4. Step 4: Simplify right side
    225,923.70x = 25,802,200,693.08
  5. Step 5: Solve for x
    x = 25,802,200,693.08/225,923.70
  6. Step 6: Final answer
    x = 114,207.59

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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.