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Finding the Fourth Proportional to 222,154.55, 306,572.60 and 120,179.98

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Solution

The fourth proportional to 222,154.55, 306,572.60 and 120,179.98 is: 165,848.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,154.55 : 306,572.60 = 120,179.98 : x
  2. Step 2: Convert to fraction form
    222,154.55/306,572.60 = 120,179.98/x
  3. Step 3: Cross multiply
    222,154.55x = 306,572.60 × 120,179.98
  4. Step 4: Simplify right side
    222,154.55x = 36,843,888,936.55
  5. Step 5: Solve for x
    x = 36,843,888,936.55/222,154.55
  6. Step 6: Final answer
    x = 165,848.01

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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.