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Finding the Fourth Proportional to 201,872.10, 302,480.10 and 173,659.80

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Solution

The fourth proportional to 201,872.10, 302,480.10 and 173,659.80 is: 260,207.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,872.10 : 302,480.10 = 173,659.80 : x
  2. Step 2: Convert to fraction form
    201,872.10/302,480.10 = 173,659.80/x
  3. Step 3: Cross multiply
    201,872.10x = 302,480.10 × 173,659.80
  4. Step 4: Simplify right side
    201,872.10x = 52,528,633,669.98
  5. Step 5: Solve for x
    x = 52,528,633,669.98/201,872.10
  6. Step 6: Final answer
    x = 260,207.50

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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.