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Finding the Fourth Proportional to 201,704.20, 302,556.30 and 179,931.40

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Solution

The fourth proportional to 201,704.20, 302,556.30 and 179,931.40 is: 269,897.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,704.20 : 302,556.30 = 179,931.40 : x
  2. Step 2: Convert to fraction form
    201,704.20/302,556.30 = 179,931.40/x
  3. Step 3: Cross multiply
    201,704.20x = 302,556.30 × 179,931.40
  4. Step 4: Simplify right side
    201,704.20x = 54,439,378,637.82
  5. Step 5: Solve for x
    x = 54,439,378,637.82/201,704.20
  6. Step 6: Final answer
    x = 269,897.10

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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.