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Finding the Fourth Proportional to 268,755.47, 370,873.24 and 147,885.45

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Solution

The fourth proportional to 268,755.47, 370,873.24 and 147,885.45 is: 204,076.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,755.47 : 370,873.24 = 147,885.45 : x
  2. Step 2: Convert to fraction form
    268,755.47/370,873.24 = 147,885.45/x
  3. Step 3: Cross multiply
    268,755.47x = 370,873.24 × 147,885.45
  4. Step 4: Simplify right side
    268,755.47x = 54,846,755,990.36
  5. Step 5: Solve for x
    x = 54,846,755,990.36/268,755.47
  6. Step 6: Final answer
    x = 204,076.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.