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Finding the Fourth Proportional to 71,057,228.40, 106,585,842.60 and 70,100,634.60

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Solution

The fourth proportional to 71,057,228.40, 106,585,842.60 and 70,100,634.60 is: 105,150,951.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,057,228.40 : 106,585,842.60 = 70,100,634.60 : x
  2. Step 2: Convert to fraction form
    71,057,228.40/106,585,842.60 = 70,100,634.60/x
  3. Step 3: Cross multiply
    71,057,228.40x = 106,585,842.60 × 70,100,634.60
  4. Step 4: Simplify right side
    71,057,228.40x = 7,471,735,205,635,713
  5. Step 5: Solve for x
    x = 7,471,735,205,635,713/71,057,228.40
  6. Step 6: Final answer
    x = 105,150,951.90

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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.