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Finding the Fourth Proportional to 248,846.80, 373,318.80 and 99,061.60

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Solution

The fourth proportional to 248,846.80, 373,318.80 and 99,061.60 is: 148,611.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,846.80 : 373,318.80 = 99,061.60 : x
  2. Step 2: Convert to fraction form
    248,846.80/373,318.80 = 99,061.60/x
  3. Step 3: Cross multiply
    248,846.80x = 373,318.80 × 99,061.60
  4. Step 4: Simplify right side
    248,846.80x = 36,981,557,638.08
  5. Step 5: Solve for x
    x = 36,981,557,638.08/248,846.80
  6. Step 6: Final answer
    x = 148,611.75

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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.