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Finding the Fourth Proportional to 154,023.60, 231,042.60 and 48,850.80

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Solution

The fourth proportional to 154,023.60, 231,042.60 and 48,850.80 is: 73,278.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,023.60 : 231,042.60 = 48,850.80 : x
  2. Step 2: Convert to fraction form
    154,023.60/231,042.60 = 48,850.80/x
  3. Step 3: Cross multiply
    154,023.60x = 231,042.60 × 48,850.80
  4. Step 4: Simplify right side
    154,023.60x = 11,286,615,844.08
  5. Step 5: Solve for x
    x = 11,286,615,844.08/154,023.60
  6. Step 6: Final answer
    x = 73,278.48

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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.