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Finding the Fourth Proportional to 9,269,227.20, 13,903,840.80 and 8,796,835.20

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Solution

The fourth proportional to 9,269,227.20, 13,903,840.80 and 8,796,835.20 is: 13,195,252.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,269,227.20 : 13,903,840.80 = 8,796,835.20 : x
  2. Step 2: Convert to fraction form
    9,269,227.20/13,903,840.80 = 8,796,835.20/x
  3. Step 3: Cross multiply
    9,269,227.20x = 13,903,840.80 × 8,796,835.20
  4. Step 4: Simplify right side
    9,269,227.20x = 122,309,796,164,636.16
  5. Step 5: Solve for x
    x = 122,309,796,164,636.16/9,269,227.20
  6. Step 6: Final answer
    x = 13,195,252.80

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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.