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Finding the Fourth Proportional to 222,333.73, 306,818.45 and 120,356.58

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Solution

The fourth proportional to 222,333.73, 306,818.45 and 120,356.58 is: 166,090.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,333.73 : 306,818.45 = 120,356.58 : x
  2. Step 2: Convert to fraction form
    222,333.73/306,818.45 = 120,356.58/x
  3. Step 3: Cross multiply
    222,333.73x = 306,818.45 × 120,356.58
  4. Step 4: Simplify right side
    222,333.73x = 36,927,620,323.02
  5. Step 5: Solve for x
    x = 36,927,620,323.02/222,333.73
  6. Step 6: Final answer
    x = 166,090.95

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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.