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Finding the Fourth Proportional to 248,364.60, 372,550.31 and 70,871.55

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Solution

The fourth proportional to 248,364.60, 372,550.31 and 70,871.55 is: 106,308.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,364.60 : 372,550.31 = 70,871.55 : x
  2. Step 2: Convert to fraction form
    248,364.60/372,550.31 = 70,871.55/x
  3. Step 3: Cross multiply
    248,364.60x = 372,550.31 × 70,871.55
  4. Step 4: Simplify right side
    248,364.60x = 26,403,217,922.68
  5. Step 5: Solve for x
    x = 26,403,217,922.68/248,364.60
  6. Step 6: Final answer
    x = 106,308.30

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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.