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Finding the Fourth Proportional to 225,551.51, 338,221.29 and 130,808.60

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Solution

The fourth proportional to 225,551.51, 338,221.29 and 130,808.60 is: 196,151.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,551.51 : 338,221.29 = 130,808.60 : x
  2. Step 2: Convert to fraction form
    225,551.51/338,221.29 = 130,808.60/x
  3. Step 3: Cross multiply
    225,551.51x = 338,221.29 × 130,808.60
  4. Step 4: Simplify right side
    225,551.51x = 44,242,253,435.09
  5. Step 5: Solve for x
    x = 44,242,253,435.09/225,551.51
  6. Step 6: Final answer
    x = 196,151.44

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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.