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Finding the Fourth Proportional to 68,373.99, 102,362.37 and 39,823.89

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Solution

The fourth proportional to 68,373.99, 102,362.37 and 39,823.89 is: 59,620.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,373.99 : 102,362.37 = 39,823.89 : x
  2. Step 2: Convert to fraction form
    68,373.99/102,362.37 = 39,823.89/x
  3. Step 3: Cross multiply
    68,373.99x = 102,362.37 × 39,823.89
  4. Step 4: Simplify right side
    68,373.99x = 4,076,467,229.82
  5. Step 5: Solve for x
    x = 4,076,467,229.82/68,373.99
  6. Step 6: Final answer
    x = 59,620.15

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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.