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Finding the Fourth Proportional to 201,676,709.70, 302,515,064.55 and 132,801,956.10

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Solution

The fourth proportional to 201,676,709.70, 302,515,064.55 and 132,801,956.10 is: 199,202,934.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,676,709.70 : 302,515,064.55 = 132,801,956.10 : x
  2. Step 2: Convert to fraction form
    201,676,709.70/302,515,064.55 = 132,801,956.10/x
  3. Step 3: Cross multiply
    201,676,709.70x = 302,515,064.55 × 132,801,956.10
  4. Step 4: Simplify right side
    201,676,709.70x = 40,174,592,321,957,768
  5. Step 5: Solve for x
    x = 40,174,592,321,957,768/201,676,709.70
  6. Step 6: Final answer
    x = 199,202,934.15

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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.