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Finding the Fourth Proportional to 164,091.89, 246,137.80 and 39,432.89

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Solution

The fourth proportional to 164,091.89, 246,137.80 and 39,432.89 is: 59,149.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,091.89 : 246,137.80 = 39,432.89 : x
  2. Step 2: Convert to fraction form
    164,091.89/246,137.80 = 39,432.89/x
  3. Step 3: Cross multiply
    164,091.89x = 246,137.80 × 39,432.89
  4. Step 4: Simplify right side
    164,091.89x = 9,705,924,792.24
  5. Step 5: Solve for x
    x = 9,705,924,792.24/164,091.89
  6. Step 6: Final answer
    x = 59,149.33

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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.