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Finding the Fourth Proportional to 225,550.51, 338,219.79 and 130,807.60

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Solution

The fourth proportional to 225,550.51, 338,219.79 and 130,807.60 is: 196,149.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,550.51 : 338,219.79 = 130,807.60 : x
  2. Step 2: Convert to fraction form
    225,550.51/338,219.79 = 130,807.60/x
  3. Step 3: Cross multiply
    225,550.51x = 338,219.79 × 130,807.60
  4. Step 4: Simplify right side
    225,550.51x = 44,241,719,002.40
  5. Step 5: Solve for x
    x = 44,241,719,002.40/225,550.51
  6. Step 6: Final answer
    x = 196,149.94

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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.