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Finding the Fourth Proportional to 222,070.44, 306,461.78 and 121,474.92

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Solution

The fourth proportional to 222,070.44, 306,461.78 and 121,474.92 is: 167,637.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,070.44 : 306,461.78 = 121,474.92 : x
  2. Step 2: Convert to fraction form
    222,070.44/306,461.78 = 121,474.92/x
  3. Step 3: Cross multiply
    222,070.44x = 306,461.78 × 121,474.92
  4. Step 4: Simplify right side
    222,070.44x = 37,227,420,208.56
  5. Step 5: Solve for x
    x = 37,227,420,208.56/222,070.44
  6. Step 6: Final answer
    x = 167,637.89

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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.