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Finding the Fourth Proportional to 248,157.20, 372,235.80 and 148,624.40

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Solution

The fourth proportional to 248,157.20, 372,235.80 and 148,624.40 is: 222,936.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,157.20 : 372,235.80 = 148,624.40 : x
  2. Step 2: Convert to fraction form
    248,157.20/372,235.80 = 148,624.40/x
  3. Step 3: Cross multiply
    248,157.20x = 372,235.80 × 148,624.40
  4. Step 4: Simplify right side
    248,157.20x = 55,323,322,433.52
  5. Step 5: Solve for x
    x = 55,323,322,433.52/248,157.20
  6. Step 6: Final answer
    x = 222,936.60

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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.