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Finding the Fourth Proportional to 228,615.35, 342,867.64 and 95,423.40

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Solution

The fourth proportional to 228,615.35, 342,867.64 and 95,423.40 is: 143,111.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,615.35 : 342,867.64 = 95,423.40 : x
  2. Step 2: Convert to fraction form
    228,615.35/342,867.64 = 95,423.40/x
  3. Step 3: Cross multiply
    228,615.35x = 342,867.64 × 95,423.40
  4. Step 4: Simplify right side
    228,615.35x = 32,717,595,481.66
  5. Step 5: Solve for x
    x = 32,717,595,481.66/228,615.35
  6. Step 6: Final answer
    x = 143,111.98

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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.