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Finding the Fourth Proportional to 247,646.72, 371,260.22 and 97,992.60

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Solution

The fourth proportional to 247,646.72, 371,260.22 and 97,992.60 is: 146,905.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,646.72 : 371,260.22 = 97,992.60 : x
  2. Step 2: Convert to fraction form
    247,646.72/371,260.22 = 97,992.60/x
  3. Step 3: Cross multiply
    247,646.72x = 371,260.22 × 97,992.60
  4. Step 4: Simplify right side
    247,646.72x = 36,380,754,234.37
  5. Step 5: Solve for x
    x = 36,380,754,234.37/247,646.72
  6. Step 6: Final answer
    x = 146,905.86

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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.