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Finding the Fourth Proportional to 228,701.88, 342,955.62 and 93,672.86

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Solution

The fourth proportional to 228,701.88, 342,955.62 and 93,672.86 is: 140,469.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,701.88 : 342,955.62 = 93,672.86 : x
  2. Step 2: Convert to fraction form
    228,701.88/342,955.62 = 93,672.86/x
  3. Step 3: Cross multiply
    228,701.88x = 342,955.62 × 93,672.86
  4. Step 4: Simplify right side
    228,701.88x = 32,125,632,063.70
  5. Step 5: Solve for x
    x = 32,125,632,063.70/228,701.88
  6. Step 6: Final answer
    x = 140,469.47

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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.