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Finding the Fourth Proportional to 220,090.88, 303,725.41 and 119,488.88

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Solution

The fourth proportional to 220,090.88, 303,725.41 and 119,488.88 is: 164,894.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,090.88 : 303,725.41 = 119,488.88 : x
  2. Step 2: Convert to fraction form
    220,090.88/303,725.41 = 119,488.88/x
  3. Step 3: Cross multiply
    220,090.88x = 303,725.41 × 119,488.88
  4. Step 4: Simplify right side
    220,090.88x = 36,291,807,251.09
  5. Step 5: Solve for x
    x = 36,291,807,251.09/220,090.88
  6. Step 6: Final answer
    x = 164,894.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.