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Finding the Fourth Proportional to 61,794,976.40, 92,692,464.60 and 34,585,197.20

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Solution

The fourth proportional to 61,794,976.40, 92,692,464.60 and 34,585,197.20 is: 51,877,795.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,794,976.40 : 92,692,464.60 = 34,585,197.20 : x
  2. Step 2: Convert to fraction form
    61,794,976.40/92,692,464.60 = 34,585,197.20/x
  3. Step 3: Cross multiply
    61,794,976.40x = 92,692,464.60 × 34,585,197.20
  4. Step 4: Simplify right side
    61,794,976.40x = 3,205,787,167,145,019
  5. Step 5: Solve for x
    x = 3,205,787,167,145,019/61,794,976.40
  6. Step 6: Final answer
    x = 51,877,795.80

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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.