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Finding the Fourth Proportional to 228,615.85, 342,868.39 and 95,423.90

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Solution

The fourth proportional to 228,615.85, 342,868.39 and 95,423.90 is: 143,112.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,615.85 : 342,868.39 = 95,423.90 : x
  2. Step 2: Convert to fraction form
    228,615.85/342,868.39 = 95,423.90/x
  3. Step 3: Cross multiply
    228,615.85x = 342,868.39 × 95,423.90
  4. Step 4: Simplify right side
    228,615.85x = 32,717,838,483.40
  5. Step 5: Solve for x
    x = 32,717,838,483.40/228,615.85
  6. Step 6: Final answer
    x = 143,112.73

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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.