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Finding the Fourth Proportional to 245,926.02, 368,889.30 and 68,433.42

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Solution

The fourth proportional to 245,926.02, 368,889.30 and 68,433.42 is: 102,650.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,926.02 : 368,889.30 = 68,433.42 : x
  2. Step 2: Convert to fraction form
    245,926.02/368,889.30 = 68,433.42/x
  3. Step 3: Cross multiply
    245,926.02x = 368,889.30 × 68,433.42
  4. Step 4: Simplify right side
    245,926.02x = 25,244,356,400.41
  5. Step 5: Solve for x
    x = 25,244,356,400.41/245,926.02
  6. Step 6: Final answer
    x = 102,650.21

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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.