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Finding the Fourth Proportional to 222,771.96, 307,441.60 and 127,276.61

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Solution

The fourth proportional to 222,771.96, 307,441.60 and 127,276.61 is: 175,651.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,771.96 : 307,441.60 = 127,276.61 : x
  2. Step 2: Convert to fraction form
    222,771.96/307,441.60 = 127,276.61/x
  3. Step 3: Cross multiply
    222,771.96x = 307,441.60 × 127,276.61
  4. Step 4: Simplify right side
    222,771.96x = 39,130,122,765.58
  5. Step 5: Solve for x
    x = 39,130,122,765.58/222,771.96
  6. Step 6: Final answer
    x = 175,651.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.