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Finding the Fourth Proportional to 201,676,713.70, 302,515,070.55 and 132,801,960.10

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Solution

The fourth proportional to 201,676,713.70, 302,515,070.55 and 132,801,960.10 is: 199,202,940.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,676,713.70 : 302,515,070.55 = 132,801,960.10 : x
  2. Step 2: Convert to fraction form
    201,676,713.70/302,515,070.55 = 132,801,960.10/x
  3. Step 3: Cross multiply
    201,676,713.70x = 302,515,070.55 × 132,801,960.10
  4. Step 4: Simplify right side
    201,676,713.70x = 40,174,594,328,829,784
  5. Step 5: Solve for x
    x = 40,174,594,328,829,784/201,676,713.70
  6. Step 6: Final answer
    x = 199,202,940.15

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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.