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Finding the Fourth Proportional to 144,982.50, 200,076.21 and 84,594.66

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Solution

The fourth proportional to 144,982.50, 200,076.21 and 84,594.66 is: 116,740.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,982.50 : 200,076.21 = 84,594.66 : x
  2. Step 2: Convert to fraction form
    144,982.50/200,076.21 = 84,594.66/x
  3. Step 3: Cross multiply
    144,982.50x = 200,076.21 × 84,594.66
  4. Step 4: Simplify right side
    144,982.50x = 16,925,378,959.04
  5. Step 5: Solve for x
    x = 16,925,378,959.04/144,982.50
  6. Step 6: Final answer
    x = 116,740.84

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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.