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Finding the Fourth Proportional to 241,959.55, 333,808.28 and 139,966.09

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Solution

The fourth proportional to 241,959.55, 333,808.28 and 139,966.09 is: 193,097.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,959.55 : 333,808.28 = 139,966.09 : x
  2. Step 2: Convert to fraction form
    241,959.55/333,808.28 = 139,966.09/x
  3. Step 3: Cross multiply
    241,959.55x = 333,808.28 × 139,966.09
  4. Step 4: Simplify right side
    241,959.55x = 46,721,839,761.23
  5. Step 5: Solve for x
    x = 46,721,839,761.23/241,959.55
  6. Step 6: Final answer
    x = 193,097.73

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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.