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Finding the Fourth Proportional to 252,771.35, 348,664.26 and 192,209.21

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Solution

The fourth proportional to 252,771.35, 348,664.26 and 192,209.21 is: 265,126.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,771.35 : 348,664.26 = 192,209.21 : x
  2. Step 2: Convert to fraction form
    252,771.35/348,664.26 = 192,209.21/x
  3. Step 3: Cross multiply
    252,771.35x = 348,664.26 × 192,209.21
  4. Step 4: Simplify right side
    252,771.35x = 67,016,480,226.51
  5. Step 5: Solve for x
    x = 67,016,480,226.51/252,771.35
  6. Step 6: Final answer
    x = 265,126.89

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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.