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Finding the Fourth Proportional to 252,638.96, 348,755.16 and 166,648.64

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Solution

The fourth proportional to 252,638.96, 348,755.16 and 166,648.64 is: 230,049.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,638.96 : 348,755.16 = 166,648.64 : x
  2. Step 2: Convert to fraction form
    252,638.96/348,755.16 = 166,648.64/x
  3. Step 3: Cross multiply
    252,638.96x = 348,755.16 × 166,648.64
  4. Step 4: Simplify right side
    252,638.96x = 58,119,573,106.98
  5. Step 5: Solve for x
    x = 58,119,573,106.98/252,638.96
  6. Step 6: Final answer
    x = 230,049.92

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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.