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Finding the Fourth Proportional to 270,815.92, 373,768.15 and 154,529.62

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Solution

The fourth proportional to 270,815.92, 373,768.15 and 154,529.62 is: 213,274.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,815.92 : 373,768.15 = 154,529.62 : x
  2. Step 2: Convert to fraction form
    270,815.92/373,768.15 = 154,529.62/x
  3. Step 3: Cross multiply
    270,815.92x = 373,768.15 × 154,529.62
  4. Step 4: Simplify right side
    270,815.92x = 57,758,250,187.60
  5. Step 5: Solve for x
    x = 57,758,250,187.60/270,815.92
  6. Step 6: Final answer
    x = 213,274.94

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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.