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Finding the Fourth Proportional to 201,956.80, 303,591.30 and 173,088.40

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Solution

The fourth proportional to 201,956.80, 303,591.30 and 173,088.40 is: 260,194.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,956.80 : 303,591.30 = 173,088.40 : x
  2. Step 2: Convert to fraction form
    201,956.80/303,591.30 = 173,088.40/x
  3. Step 3: Cross multiply
    201,956.80x = 303,591.30 × 173,088.40
  4. Step 4: Simplify right side
    201,956.80x = 52,548,132,370.92
  5. Step 5: Solve for x
    x = 52,548,132,370.92/201,956.80
  6. Step 6: Final answer
    x = 260,194.91

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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.