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Finding the Fourth Proportional to 241,143.84, 361,701.18 and 107,988.36

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Solution

The fourth proportional to 241,143.84, 361,701.18 and 107,988.36 is: 161,976.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,143.84 : 361,701.18 = 107,988.36 : x
  2. Step 2: Convert to fraction form
    241,143.84/361,701.18 = 107,988.36/x
  3. Step 3: Cross multiply
    241,143.84x = 361,701.18 × 107,988.36
  4. Step 4: Simplify right side
    241,143.84x = 39,059,517,238.26
  5. Step 5: Solve for x
    x = 39,059,517,238.26/241,143.84
  6. Step 6: Final answer
    x = 161,976.01

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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.