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Finding the Fourth Proportional to 69,488,216.64, 95,905,234.44 and 38,558,350.44

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Solution

The fourth proportional to 69,488,216.64, 95,905,234.44 and 38,558,350.44 is: 53,216,902.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,488,216.64 : 95,905,234.44 = 38,558,350.44 : x
  2. Step 2: Convert to fraction form
    69,488,216.64/95,905,234.44 = 38,558,350.44/x
  3. Step 3: Cross multiply
    69,488,216.64x = 95,905,234.44 × 38,558,350.44
  4. Step 4: Simplify right side
    69,488,216.64x = 3,697,947,638,567,877
  5. Step 5: Solve for x
    x = 3,697,947,638,567,877/69,488,216.64
  6. Step 6: Final answer
    x = 53,216,902.34

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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.