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Finding the Fourth Proportional to 248,990.96, 373,580.81 and 149,222.76

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Solution

The fourth proportional to 248,990.96, 373,580.81 and 149,222.76 is: 223,890.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,990.96 : 373,580.81 = 149,222.76 : x
  2. Step 2: Convert to fraction form
    248,990.96/373,580.81 = 149,222.76/x
  3. Step 3: Cross multiply
    248,990.96x = 373,580.81 × 149,222.76
  4. Step 4: Simplify right side
    248,990.96x = 55,746,757,963.78
  5. Step 5: Solve for x
    x = 55,746,757,963.78/248,990.96
  6. Step 6: Final answer
    x = 223,890.69

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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.