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Finding the Fourth Proportional to 201,889.40, 302,834.10 and 96,654.20

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Solution

The fourth proportional to 201,889.40, 302,834.10 and 96,654.20 is: 144,981.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,889.40 : 302,834.10 = 96,654.20 : x
  2. Step 2: Convert to fraction form
    201,889.40/302,834.10 = 96,654.20/x
  3. Step 3: Cross multiply
    201,889.40x = 302,834.10 × 96,654.20
  4. Step 4: Simplify right side
    201,889.40x = 29,270,187,668.22
  5. Step 5: Solve for x
    x = 29,270,187,668.22/201,889.40
  6. Step 6: Final answer
    x = 144,981.30

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Similar ratio
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1.5x scale

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.