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Finding the Fourth Proportional to 225,552.67, 338,223.06 and 130,809.80

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Solution

The fourth proportional to 225,552.67, 338,223.06 and 130,809.80 is: 196,153.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,552.67 : 338,223.06 = 130,809.80 : x
  2. Step 2: Convert to fraction form
    225,552.67/338,223.06 = 130,809.80/x
  3. Step 3: Cross multiply
    225,552.67x = 338,223.06 × 130,809.80
  4. Step 4: Simplify right side
    225,552.67x = 44,242,891,679.55
  5. Step 5: Solve for x
    x = 44,242,891,679.55/225,552.67
  6. Step 6: Final answer
    x = 196,153.26

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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.