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Finding the Fourth Proportional to 201,668.85, 302,503.28 and 191,827.35

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Solution

The fourth proportional to 201,668.85, 302,503.28 and 191,827.35 is: 287,741.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,668.85 : 302,503.28 = 191,827.35 : x
  2. Step 2: Convert to fraction form
    201,668.85/302,503.28 = 191,827.35/x
  3. Step 3: Cross multiply
    201,668.85x = 302,503.28 × 191,827.35
  4. Step 4: Simplify right side
    201,668.85x = 58,028,401,609.57
  5. Step 5: Solve for x
    x = 58,028,401,609.57/201,668.85
  6. Step 6: Final answer
    x = 287,741.03

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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.