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Finding the Fourth Proportional to 248,625.90, 372,720.15 and 148,825.80

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Solution

The fourth proportional to 248,625.90, 372,720.15 and 148,825.80 is: 223,107.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,625.90 : 372,720.15 = 148,825.80 : x
  2. Step 2: Convert to fraction form
    248,625.90/372,720.15 = 148,825.80/x
  3. Step 3: Cross multiply
    248,625.90x = 372,720.15 × 148,825.80
  4. Step 4: Simplify right side
    248,625.90x = 55,470,374,499.87
  5. Step 5: Solve for x
    x = 55,470,374,499.87/248,625.90
  6. Step 6: Final answer
    x = 223,107.79

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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.