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Finding the Fourth Proportional to 222,853.66, 307,536.24 and 120,878.87

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Solution

The fourth proportional to 222,853.66, 307,536.24 and 120,878.87 is: 166,811.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,853.66 : 307,536.24 = 120,878.87 : x
  2. Step 2: Convert to fraction form
    222,853.66/307,536.24 = 120,878.87/x
  3. Step 3: Cross multiply
    222,853.66x = 307,536.24 × 120,878.87
  4. Step 4: Simplify right side
    222,853.66x = 37,174,632,090.86
  5. Step 5: Solve for x
    x = 37,174,632,090.86/222,853.66
  6. Step 6: Final answer
    x = 166,811.86

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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.