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Finding the Fourth Proportional to 74,413,633.80, 111,620,450.70 and 53,846,867.10

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Solution

The fourth proportional to 74,413,633.80, 111,620,450.70 and 53,846,867.10 is: 80,770,300.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,413,633.80 : 111,620,450.70 = 53,846,867.10 : x
  2. Step 2: Convert to fraction form
    74,413,633.80/111,620,450.70 = 53,846,867.10/x
  3. Step 3: Cross multiply
    74,413,633.80x = 111,620,450.70 × 53,846,867.10
  4. Step 4: Simplify right side
    74,413,633.80x = 6,010,411,574,485,002
  5. Step 5: Solve for x
    x = 6,010,411,574,485,002/74,413,633.80
  6. Step 6: Final answer
    x = 80,770,300.65

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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.