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Finding the Fourth Proportional to 185,043.44, 277,579.20 and 72,669.44

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Solution

The fourth proportional to 185,043.44, 277,579.20 and 72,669.44 is: 109,009.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,043.44 : 277,579.20 = 72,669.44 : x
  2. Step 2: Convert to fraction form
    185,043.44/277,579.20 = 72,669.44/x
  3. Step 3: Cross multiply
    185,043.44x = 277,579.20 × 72,669.44
  4. Step 4: Simplify right side
    185,043.44x = 20,171,525,019.65
  5. Step 5: Solve for x
    x = 20,171,525,019.65/185,043.44
  6. Step 6: Final answer
    x = 109,009.67

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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.