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Finding the Fourth Proportional to 248,848.80, 373,321.80 and 99,063.60

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Solution

The fourth proportional to 248,848.80, 373,321.80 and 99,063.60 is: 148,614.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,848.80 : 373,321.80 = 99,063.60 : x
  2. Step 2: Convert to fraction form
    248,848.80/373,321.80 = 99,063.60/x
  3. Step 3: Cross multiply
    248,848.80x = 373,321.80 × 99,063.60
  4. Step 4: Simplify right side
    248,848.80x = 36,982,601,466.48
  5. Step 5: Solve for x
    x = 36,982,601,466.48/248,848.80
  6. Step 6: Final answer
    x = 148,614.75

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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.