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Finding the Fourth Proportional to 297,162.58, 445,728.38 and 97,456.68

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Solution

The fourth proportional to 297,162.58, 445,728.38 and 97,456.68 is: 146,179.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,162.58 : 445,728.38 = 97,456.68 : x
  2. Step 2: Convert to fraction form
    297,162.58/445,728.38 = 97,456.68/x
  3. Step 3: Cross multiply
    297,162.58x = 445,728.38 × 97,456.68
  4. Step 4: Simplify right side
    297,162.58x = 43,439,208,096.58
  5. Step 5: Solve for x
    x = 43,439,208,096.58/297,162.58
  6. Step 6: Final answer
    x = 146,179.94

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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.