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Finding the Fourth Proportional to 243,092.44, 335,484.53 and 135,664.27

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Solution

The fourth proportional to 243,092.44, 335,484.53 and 135,664.27 is: 187,226.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,092.44 : 335,484.53 = 135,664.27 : x
  2. Step 2: Convert to fraction form
    243,092.44/335,484.53 = 135,664.27/x
  3. Step 3: Cross multiply
    243,092.44x = 335,484.53 × 135,664.27
  4. Step 4: Simplify right side
    243,092.44x = 45,513,263,858.74
  5. Step 5: Solve for x
    x = 45,513,263,858.74/243,092.44
  6. Step 6: Final answer
    x = 187,226.16

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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.