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Finding the Fourth Proportional to 111,465,384.30, 167,198,076.45 and 111,465,384.30

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Solution

The fourth proportional to 111,465,384.30, 167,198,076.45 and 111,465,384.30 is: 167,198,076.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,465,384.30 : 167,198,076.45 = 111,465,384.30 : x
  2. Step 2: Convert to fraction form
    111,465,384.30/167,198,076.45 = 111,465,384.30/x
  3. Step 3: Cross multiply
    111,465,384.30x = 167,198,076.45 × 111,465,384.30
  4. Step 4: Simplify right side
    111,465,384.30x = 18,636,797,845,720,028
  5. Step 5: Solve for x
    x = 18,636,797,845,720,028/111,465,384.30
  6. Step 6: Final answer
    x = 167,198,076.45

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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.