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Finding the Fourth Proportional to 165,897.72, 248,699.22 and 64,672.44

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Solution

The fourth proportional to 165,897.72, 248,699.22 and 64,672.44 is: 96,951.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,897.72 : 248,699.22 = 64,672.44 : x
  2. Step 2: Convert to fraction form
    165,897.72/248,699.22 = 64,672.44/x
  3. Step 3: Cross multiply
    165,897.72x = 248,699.22 × 64,672.44
  4. Step 4: Simplify right side
    165,897.72x = 16,083,985,383.50
  5. Step 5: Solve for x
    x = 16,083,985,383.50/165,897.72
  6. Step 6: Final answer
    x = 96,951.21

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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.