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Finding the Fourth Proportional to 251,440.93, 377,161.41 and 73,949.45

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Solution

The fourth proportional to 251,440.93, 377,161.41 and 73,949.45 is: 110,924.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,440.93 : 377,161.41 = 73,949.45 : x
  2. Step 2: Convert to fraction form
    251,440.93/377,161.41 = 73,949.45/x
  3. Step 3: Cross multiply
    251,440.93x = 377,161.41 × 73,949.45
  4. Step 4: Simplify right side
    251,440.93x = 27,890,878,830.72
  5. Step 5: Solve for x
    x = 27,890,878,830.72/251,440.93
  6. Step 6: Final answer
    x = 110,924.18

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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.