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Finding the Fourth Proportional to 222,650.76, 307,258.20 and 120,677.16

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Solution

The fourth proportional to 222,650.76, 307,258.20 and 120,677.16 is: 166,534.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,650.76 : 307,258.20 = 120,677.16 : x
  2. Step 2: Convert to fraction form
    222,650.76/307,258.20 = 120,677.16/x
  3. Step 3: Cross multiply
    222,650.76x = 307,258.20 × 120,677.16
  4. Step 4: Simplify right side
    222,650.76x = 37,079,046,962.71
  5. Step 5: Solve for x
    x = 37,079,046,962.71/222,650.76
  6. Step 6: Final answer
    x = 166,534.56

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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.