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Finding the Fourth Proportional to 68,303.61, 102,500.87 and 23,930.28

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Solution

The fourth proportional to 68,303.61, 102,500.87 and 23,930.28 is: 35,911.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,303.61 : 102,500.87 = 23,930.28 : x
  2. Step 2: Convert to fraction form
    68,303.61/102,500.87 = 23,930.28/x
  3. Step 3: Cross multiply
    68,303.61x = 102,500.87 × 23,930.28
  4. Step 4: Simplify right side
    68,303.61x = 2,452,874,399.69
  5. Step 5: Solve for x
    x = 2,452,874,399.69/68,303.61
  6. Step 6: Final answer
    x = 35,911.34

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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.