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Finding the Fourth Proportional to 292,383.56, 403,502.74 and 161,579.60

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Solution

The fourth proportional to 292,383.56, 403,502.74 and 161,579.60 is: 222,987.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,383.56 : 403,502.74 = 161,579.60 : x
  2. Step 2: Convert to fraction form
    292,383.56/403,502.74 = 161,579.60/x
  3. Step 3: Cross multiply
    292,383.56x = 403,502.74 × 161,579.60
  4. Step 4: Simplify right side
    292,383.56x = 65,197,811,528.96
  5. Step 5: Solve for x
    x = 65,197,811,528.96/292,383.56
  6. Step 6: Final answer
    x = 222,987.27

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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.