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Finding the Fourth Proportional to 201,911.70, 302,867.55 and 173,863.43

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Solution

The fourth proportional to 201,911.70, 302,867.55 and 173,863.43 is: 260,795.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,911.70 : 302,867.55 = 173,863.43 : x
  2. Step 2: Convert to fraction form
    201,911.70/302,867.55 = 173,863.43/x
  3. Step 3: Cross multiply
    201,911.70x = 302,867.55 × 173,863.43
  4. Step 4: Simplify right side
    201,911.70x = 52,657,591,078.70
  5. Step 5: Solve for x
    x = 52,657,591,078.70/201,911.70
  6. Step 6: Final answer
    x = 260,795.15

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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.