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Finding the Fourth Proportional to 148,655,243.40, 222,982,865.10 and 148,655,243.40

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Solution

The fourth proportional to 148,655,243.40, 222,982,865.10 and 148,655,243.40 is: 222,982,865.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,655,243.40 : 222,982,865.10 = 148,655,243.40 : x
  2. Step 2: Convert to fraction form
    148,655,243.40/222,982,865.10 = 148,655,243.40/x
  3. Step 3: Cross multiply
    148,655,243.40x = 222,982,865.10 × 148,655,243.40
  4. Step 4: Simplify right side
    148,655,243.40x = 33,147,572,085,469,864
  5. Step 5: Solve for x
    x = 33,147,572,085,469,864/148,655,243.40
  6. Step 6: Final answer
    x = 222,982,865.10

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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.