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Finding the Fourth Proportional to 61,632,392.80, 92,647,654.80 and 43,804,962.40

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Solution

The fourth proportional to 61,632,392.80, 92,647,654.80 and 43,804,962.40 is: 65,848,928.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,632,392.80 : 92,647,654.80 = 43,804,962.40 : x
  2. Step 2: Convert to fraction form
    61,632,392.80/92,647,654.80 = 43,804,962.40/x
  3. Step 3: Cross multiply
    61,632,392.80x = 92,647,654.80 × 43,804,962.40
  4. Step 4: Simplify right side
    61,632,392.80x = 4,058,427,034,962,179.50
  5. Step 5: Solve for x
    x = 4,058,427,034,962,179.50/61,632,392.80
  6. Step 6: Final answer
    x = 65,848,928.63

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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.