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Finding the Fourth Proportional to 201,676,868.70, 302,515,303.05 and 197,197,892.70

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Solution

The fourth proportional to 201,676,868.70, 302,515,303.05 and 197,197,892.70 is: 295,796,839.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,676,868.70 : 302,515,303.05 = 197,197,892.70 : x
  2. Step 2: Convert to fraction form
    201,676,868.70/302,515,303.05 = 197,197,892.70/x
  3. Step 3: Cross multiply
    201,676,868.70x = 302,515,303.05 × 197,197,892.70
  4. Step 4: Simplify right side
    201,676,868.70x = 59,655,380,270,961,880
  5. Step 5: Solve for x
    x = 59,655,380,270,961,880/201,676,868.70
  6. Step 6: Final answer
    x = 295,796,839.05

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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.