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Finding the Fourth Proportional to 248,794.40, 373,337.40 and 91,038.80

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Solution

The fourth proportional to 248,794.40, 373,337.40 and 91,038.80 is: 136,611.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,794.40 : 373,337.40 = 91,038.80 : x
  2. Step 2: Convert to fraction form
    248,794.40/373,337.40 = 91,038.80/x
  3. Step 3: Cross multiply
    248,794.40x = 373,337.40 × 91,038.80
  4. Step 4: Simplify right side
    248,794.40x = 33,988,188,891.12
  5. Step 5: Solve for x
    x = 33,988,188,891.12/248,794.40
  6. Step 6: Final answer
    x = 136,611.55

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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.