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Finding the Fourth Proportional to 248,552.40, 372,925.80 and 90,796.80

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Solution

The fourth proportional to 248,552.40, 372,925.80 and 90,796.80 is: 136,230.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,552.40 : 372,925.80 = 90,796.80 : x
  2. Step 2: Convert to fraction form
    248,552.40/372,925.80 = 90,796.80/x
  3. Step 3: Cross multiply
    248,552.40x = 372,925.80 × 90,796.80
  4. Step 4: Simplify right side
    248,552.40x = 33,860,469,277.44
  5. Step 5: Solve for x
    x = 33,860,469,277.44/248,552.40
  6. Step 6: Final answer
    x = 136,230.71

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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.