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Finding the Fourth Proportional to 69,393,211.92, 95,763,202.97 and 38,453,897.88

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Solution

The fourth proportional to 69,393,211.92, 95,763,202.97 and 38,453,897.88 is: 53,066,695.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,393,211.92 : 95,763,202.97 = 38,453,897.88 : x
  2. Step 2: Convert to fraction form
    69,393,211.92/95,763,202.97 = 38,453,897.88/x
  3. Step 3: Cross multiply
    69,393,211.92x = 95,763,202.97 × 38,453,897.88
  4. Step 4: Simplify right side
    69,393,211.92x = 3,682,468,427,477,823.50
  5. Step 5: Solve for x
    x = 3,682,468,427,477,823.50/69,393,211.92
  6. Step 6: Final answer
    x = 53,066,695.22

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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.