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Finding the Fourth Proportional to 243,880.93, 336,408.34 and 161,095.42

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Solution

The fourth proportional to 243,880.93, 336,408.34 and 161,095.42 is: 222,214.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,880.93 : 336,408.34 = 161,095.42 : x
  2. Step 2: Convert to fraction form
    243,880.93/336,408.34 = 161,095.42/x
  3. Step 3: Cross multiply
    243,880.93x = 336,408.34 × 161,095.42
  4. Step 4: Simplify right side
    243,880.93x = 54,193,840,336.28
  5. Step 5: Solve for x
    x = 54,193,840,336.28/243,880.93
  6. Step 6: Final answer
    x = 222,214.35

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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.