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Finding the Fourth Proportional to 228,375.05, 342,661.05 and 95,281.52

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Solution

The fourth proportional to 228,375.05, 342,661.05 and 95,281.52 is: 142,963.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,375.05 : 342,661.05 = 95,281.52 : x
  2. Step 2: Convert to fraction form
    228,375.05/342,661.05 = 95,281.52/x
  3. Step 3: Cross multiply
    228,375.05x = 342,661.05 × 95,281.52
  4. Step 4: Simplify right side
    228,375.05x = 32,649,263,975.49
  5. Step 5: Solve for x
    x = 32,649,263,975.49/228,375.05
  6. Step 6: Final answer
    x = 142,963.36

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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.