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Finding the Fourth Proportional to 201,708.70, 302,563.05 and 192,851.35

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Solution

The fourth proportional to 201,708.70, 302,563.05 and 192,851.35 is: 289,277.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,708.70 : 302,563.05 = 192,851.35 : x
  2. Step 2: Convert to fraction form
    201,708.70/302,563.05 = 192,851.35/x
  3. Step 3: Cross multiply
    201,708.70x = 302,563.05 × 192,851.35
  4. Step 4: Simplify right side
    201,708.70x = 58,349,692,652.62
  5. Step 5: Solve for x
    x = 58,349,692,652.62/201,708.70
  6. Step 6: Final answer
    x = 289,277.03

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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.