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Finding the Fourth Proportional to 222,903.60, 307,604.40 and 122,301.60

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Solution

The fourth proportional to 222,903.60, 307,604.40 and 122,301.60 is: 168,774.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,903.60 : 307,604.40 = 122,301.60 : x
  2. Step 2: Convert to fraction form
    222,903.60/307,604.40 = 122,301.60/x
  3. Step 3: Cross multiply
    222,903.60x = 307,604.40 × 122,301.60
  4. Step 4: Simplify right side
    222,903.60x = 37,620,510,287.04
  5. Step 5: Solve for x
    x = 37,620,510,287.04/222,903.60
  6. Step 6: Final answer
    x = 168,774.80

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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.