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Finding the Fourth Proportional to 61,393,865.58, 84,715,494.03 and 36,616,960.40

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Solution

The fourth proportional to 61,393,865.58, 84,715,494.03 and 36,616,960.40 is: 50,526,609.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,393,865.58 : 84,715,494.03 = 36,616,960.40 : x
  2. Step 2: Convert to fraction form
    61,393,865.58/84,715,494.03 = 36,616,960.40/x
  3. Step 3: Cross multiply
    61,393,865.58x = 84,715,494.03 × 36,616,960.40
  4. Step 4: Simplify right side
    61,393,865.58x = 3,102,023,889,739,369.50
  5. Step 5: Solve for x
    x = 3,102,023,889,739,369.50/61,393,865.58
  6. Step 6: Final answer
    x = 50,526,609.79

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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.