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Finding the Fourth Proportional to 222,719.04, 307,350.24 and 122,114.88

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Solution

The fourth proportional to 222,719.04, 307,350.24 and 122,114.88 is: 168,517.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,719.04 : 307,350.24 = 122,114.88 : x
  2. Step 2: Convert to fraction form
    222,719.04/307,350.24 = 122,114.88/x
  3. Step 3: Cross multiply
    222,719.04x = 307,350.24 × 122,114.88
  4. Step 4: Simplify right side
    222,719.04x = 37,532,037,675.57
  5. Step 5: Solve for x
    x = 37,532,037,675.57/222,719.04
  6. Step 6: Final answer
    x = 168,517.42

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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.