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Finding the Fourth Proportional to 228,578.94, 342,841.10 and 60,112.39

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Solution

The fourth proportional to 228,578.94, 342,841.10 and 60,112.39 is: 90,161.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,578.94 : 342,841.10 = 60,112.39 : x
  2. Step 2: Convert to fraction form
    228,578.94/342,841.10 = 60,112.39/x
  3. Step 3: Cross multiply
    228,578.94x = 342,841.10 × 60,112.39
  4. Step 4: Simplify right side
    228,578.94x = 20,608,997,911.23
  5. Step 5: Solve for x
    x = 20,608,997,911.23/228,578.94
  6. Step 6: Final answer
    x = 90,161.40

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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.