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Finding the Fourth Proportional to 228,116.85, 342,168.15 and 94,993.74

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Solution

The fourth proportional to 228,116.85, 342,168.15 and 94,993.74 is: 142,487.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,116.85 : 342,168.15 = 94,993.74 : x
  2. Step 2: Convert to fraction form
    228,116.85/342,168.15 = 94,993.74/x
  3. Step 3: Cross multiply
    228,116.85x = 342,168.15 × 94,993.74
  4. Step 4: Simplify right side
    228,116.85x = 32,503,832,277.38
  5. Step 5: Solve for x
    x = 32,503,832,277.38/228,116.85
  6. Step 6: Final answer
    x = 142,487.64

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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.