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Finding the Fourth Proportional to 228,975.32, 343,459.20 and 62,763.32

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Solution

The fourth proportional to 228,975.32, 343,459.20 and 62,763.32 is: 94,143.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,975.32 : 343,459.20 = 62,763.32 : x
  2. Step 2: Convert to fraction form
    228,975.32/343,459.20 = 62,763.32/x
  3. Step 3: Cross multiply
    228,975.32x = 343,459.20 × 62,763.32
  4. Step 4: Simplify right side
    228,975.32x = 21,556,639,676.54
  5. Step 5: Solve for x
    x = 21,556,639,676.54/228,975.32
  6. Step 6: Final answer
    x = 94,143.94

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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.