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Finding the Fourth Proportional to 230,098.87, 345,185.71 and 68,009.37

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Solution

The fourth proportional to 230,098.87, 345,185.71 and 68,009.37 is: 102,025.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,098.87 : 345,185.71 = 68,009.37 : x
  2. Step 2: Convert to fraction form
    230,098.87/345,185.71 = 68,009.37/x
  3. Step 3: Cross multiply
    230,098.87x = 345,185.71 × 68,009.37
  4. Step 4: Simplify right side
    230,098.87x = 23,475,862,670.10
  5. Step 5: Solve for x
    x = 23,475,862,670.10/230,098.87
  6. Step 6: Final answer
    x = 102,025.11

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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.