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Finding the Fourth Proportional to 117,465.44, 176,198.16 and 28,717.89

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Solution

The fourth proportional to 117,465.44, 176,198.16 and 28,717.89 is: 43,076.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,465.44 : 176,198.16 = 28,717.89 : x
  2. Step 2: Convert to fraction form
    117,465.44/176,198.16 = 28,717.89/x
  3. Step 3: Cross multiply
    117,465.44x = 176,198.16 × 28,717.89
  4. Step 4: Simplify right side
    117,465.44x = 5,060,039,871.42
  5. Step 5: Solve for x
    x = 5,060,039,871.42/117,465.44
  6. Step 6: Final answer
    x = 43,076.84

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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.