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Finding the Fourth Proportional to 220,326.69, 304,055.33 and 119,731.17

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Solution

The fourth proportional to 220,326.69, 304,055.33 and 119,731.17 is: 165,231.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,326.69 : 304,055.33 = 119,731.17 : x
  2. Step 2: Convert to fraction form
    220,326.69/304,055.33 = 119,731.17/x
  3. Step 3: Cross multiply
    220,326.69x = 304,055.33 × 119,731.17
  4. Step 4: Simplify right side
    220,326.69x = 36,404,900,405.64
  5. Step 5: Solve for x
    x = 36,404,900,405.64/220,326.69
  6. Step 6: Final answer
    x = 165,231.46

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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.