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Finding the Fourth Proportional to 220,467.51, 330,665.83 and 60,506.08

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Solution

The fourth proportional to 220,467.51, 330,665.83 and 60,506.08 is: 90,749.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,467.51 : 330,665.83 = 60,506.08 : x
  2. Step 2: Convert to fraction form
    220,467.51/330,665.83 = 60,506.08/x
  3. Step 3: Cross multiply
    220,467.51x = 330,665.83 × 60,506.08
  4. Step 4: Simplify right side
    220,467.51x = 20,007,292,185.32
  5. Step 5: Solve for x
    x = 20,007,292,185.32/220,467.51
  6. Step 6: Final answer
    x = 90,749.39

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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.