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Finding the Fourth Proportional to 164,408.10, 246,612.15 and 39,749.10

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Solution

The fourth proportional to 164,408.10, 246,612.15 and 39,749.10 is: 59,623.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,408.10 : 246,612.15 = 39,749.10 : x
  2. Step 2: Convert to fraction form
    164,408.10/246,612.15 = 39,749.10/x
  3. Step 3: Cross multiply
    164,408.10x = 246,612.15 × 39,749.10
  4. Step 4: Simplify right side
    164,408.10x = 9,802,611,011.57
  5. Step 5: Solve for x
    x = 9,802,611,011.57/164,408.10
  6. Step 6: Final answer
    x = 59,623.65

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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.