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Finding the Fourth Proportional to 228,958.54, 343,322.53 and 134,211.32

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Solution

The fourth proportional to 228,958.54, 343,322.53 and 134,211.32 is: 201,249.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,958.54 : 343,322.53 = 134,211.32 : x
  2. Step 2: Convert to fraction form
    228,958.54/343,322.53 = 134,211.32/x
  3. Step 3: Cross multiply
    228,958.54x = 343,322.53 × 134,211.32
  4. Step 4: Simplify right side
    228,958.54x = 46,077,769,937.04
  5. Step 5: Solve for x
    x = 46,077,769,937.04/228,958.54
  6. Step 6: Final answer
    x = 201,249.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.