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Finding the Fourth Proportional to 228,675.30, 342,829.77 and 108,672.03

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Solution

The fourth proportional to 228,675.30, 342,829.77 and 108,672.03 is: 162,920.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,675.30 : 342,829.77 = 108,672.03 : x
  2. Step 2: Convert to fraction form
    228,675.30/342,829.77 = 108,672.03/x
  3. Step 3: Cross multiply
    228,675.30x = 342,829.77 × 108,672.03
  4. Step 4: Simplify right side
    228,675.30x = 37,256,005,336.18
  5. Step 5: Solve for x
    x = 37,256,005,336.18/228,675.30
  6. Step 6: Final answer
    x = 162,920.99

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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.