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Finding the Fourth Proportional to 198,670.58, 298,297.47 and 124,108.46

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Solution

The fourth proportional to 198,670.58, 298,297.47 and 124,108.46 is: 186,344.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,670.58 : 298,297.47 = 124,108.46 : x
  2. Step 2: Convert to fraction form
    198,670.58/298,297.47 = 124,108.46/x
  3. Step 3: Cross multiply
    198,670.58x = 298,297.47 × 124,108.46
  4. Step 4: Simplify right side
    198,670.58x = 37,021,239,623.60
  5. Step 5: Solve for x
    x = 37,021,239,623.60/198,670.58
  6. Step 6: Final answer
    x = 186,344.85

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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.