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Finding the Fourth Proportional to 248,572.44, 372,913.56 and 90,800.64

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Solution

The fourth proportional to 248,572.44, 372,913.56 and 90,800.64 is: 136,221.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,572.44 : 372,913.56 = 90,800.64 : x
  2. Step 2: Convert to fraction form
    248,572.44/372,913.56 = 90,800.64/x
  3. Step 3: Cross multiply
    248,572.44x = 372,913.56 × 90,800.64
  4. Step 4: Simplify right side
    248,572.44x = 33,860,789,912.68
  5. Step 5: Solve for x
    x = 33,860,789,912.68/248,572.44
  6. Step 6: Final answer
    x = 136,221.01

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1.5x scale

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.