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Finding the Fourth Proportional to 201,904.80, 302,529.15 and 168,443.70

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Solution

The fourth proportional to 201,904.80, 302,529.15 and 168,443.70 is: 252,391.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,904.80 : 302,529.15 = 168,443.70 : x
  2. Step 2: Convert to fraction form
    201,904.80/302,529.15 = 168,443.70/x
  3. Step 3: Cross multiply
    201,904.80x = 302,529.15 × 168,443.70
  4. Step 4: Simplify right side
    201,904.80x = 50,959,129,383.86
  5. Step 5: Solve for x
    x = 50,959,129,383.86/201,904.80
  6. Step 6: Final answer
    x = 252,391.87

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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.