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Finding the Fourth Proportional to 74,889,760.80, 112,345,138.80 and 29,440,984.80

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Solution

The fourth proportional to 74,889,760.80, 112,345,138.80 and 29,440,984.80 is: 44,165,604.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,889,760.80 : 112,345,138.80 = 29,440,984.80 : x
  2. Step 2: Convert to fraction form
    74,889,760.80/112,345,138.80 = 29,440,984.80/x
  3. Step 3: Cross multiply
    74,889,760.80x = 112,345,138.80 × 29,440,984.80
  4. Step 4: Simplify right side
    74,889,760.80x = 3,307,551,523,764,690
  5. Step 5: Solve for x
    x = 3,307,551,523,764,690/74,889,760.80
  6. Step 6: Final answer
    x = 44,165,604.06

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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.