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Finding the Fourth Proportional to 248,212.60, 372,059.67 and 121,677.64

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Solution

The fourth proportional to 248,212.60, 372,059.67 and 121,677.64 is: 182,389.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,212.60 : 372,059.67 = 121,677.64 : x
  2. Step 2: Convert to fraction form
    248,212.60/372,059.67 = 121,677.64/x
  3. Step 3: Cross multiply
    248,212.60x = 372,059.67 × 121,677.64
  4. Step 4: Simplify right side
    248,212.60x = 45,271,342,584.78
  5. Step 5: Solve for x
    x = 45,271,342,584.78/248,212.60
  6. Step 6: Final answer
    x = 182,389.38

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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.