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Finding the Fourth Proportional to 228,251.54, 342,496.72 and 93,415.70

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Solution

The fourth proportional to 228,251.54, 342,496.72 and 93,415.70 is: 140,172.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,251.54 : 342,496.72 = 93,415.70 : x
  2. Step 2: Convert to fraction form
    228,251.54/342,496.72 = 93,415.70/x
  3. Step 3: Cross multiply
    228,251.54x = 342,496.72 × 93,415.70
  4. Step 4: Simplify right side
    228,251.54x = 31,994,570,846.50
  5. Step 5: Solve for x
    x = 31,994,570,846.50/228,251.54
  6. Step 6: Final answer
    x = 140,172.42

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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.