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Finding the Fourth Proportional to 245,507.72, 368,272.02 and 68,010.44

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Solution

The fourth proportional to 245,507.72, 368,272.02 and 68,010.44 is: 102,018.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,507.72 : 368,272.02 = 68,010.44 : x
  2. Step 2: Convert to fraction form
    245,507.72/368,272.02 = 68,010.44/x
  3. Step 3: Cross multiply
    245,507.72x = 368,272.02 × 68,010.44
  4. Step 4: Simplify right side
    245,507.72x = 25,046,342,119.89
  5. Step 5: Solve for x
    x = 25,046,342,119.89/245,507.72
  6. Step 6: Final answer
    x = 102,018.55

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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.