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Finding the Fourth Proportional to 69,393,258.76, 95,763,267.48 and 38,453,944.72

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Solution

The fourth proportional to 69,393,258.76, 95,763,267.48 and 38,453,944.72 is: 53,066,759.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,393,258.76 : 95,763,267.48 = 38,453,944.72 : x
  2. Step 2: Convert to fraction form
    69,393,258.76/95,763,267.48 = 38,453,944.72/x
  3. Step 3: Cross multiply
    69,393,258.76x = 95,763,267.48 × 38,453,944.72
  4. Step 4: Simplify right side
    69,393,258.76x = 3,682,475,393,882,494
  5. Step 5: Solve for x
    x = 3,682,475,393,882,494/69,393,258.76
  6. Step 6: Final answer
    x = 53,066,759.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.