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Finding the Fourth Proportional to 204,988.59, 307,599.66 and 163,698.03

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Solution

The fourth proportional to 204,988.59, 307,599.66 and 163,698.03 is: 245,640.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,988.59 : 307,599.66 = 163,698.03 : x
  2. Step 2: Convert to fraction form
    204,988.59/307,599.66 = 163,698.03/x
  3. Step 3: Cross multiply
    204,988.59x = 307,599.66 × 163,698.03
  4. Step 4: Simplify right side
    204,988.59x = 50,353,458,370.67
  5. Step 5: Solve for x
    x = 50,353,458,370.67/204,988.59
  6. Step 6: Final answer
    x = 245,640.30

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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.