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Finding the Fourth Proportional to 201,910.70, 302,866.05 and 173,862.43

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Solution

The fourth proportional to 201,910.70, 302,866.05 and 173,862.43 is: 260,793.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,910.70 : 302,866.05 = 173,862.43 : x
  2. Step 2: Convert to fraction form
    201,910.70/302,866.05 = 173,862.43/x
  3. Step 3: Cross multiply
    201,910.70x = 302,866.05 × 173,862.43
  4. Step 4: Simplify right side
    201,910.70x = 52,657,027,417.50
  5. Step 5: Solve for x
    x = 52,657,027,417.50/201,910.70
  6. Step 6: Final answer
    x = 260,793.65

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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.