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Finding the Fourth Proportional to 222,069.94, 306,461.09 and 121,474.42

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Solution

The fourth proportional to 222,069.94, 306,461.09 and 121,474.42 is: 167,637.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,069.94 : 306,461.09 = 121,474.42 : x
  2. Step 2: Convert to fraction form
    222,069.94/306,461.09 = 121,474.42/x
  3. Step 3: Cross multiply
    222,069.94x = 306,461.09 × 121,474.42
  4. Step 4: Simplify right side
    222,069.94x = 37,227,183,160.32
  5. Step 5: Solve for x
    x = 37,227,183,160.32/222,069.94
  6. Step 6: Final answer
    x = 167,637.20

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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.