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Finding the Fourth Proportional to 164,703.05, 247,051.97 and 52,381.64

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Solution

The fourth proportional to 164,703.05, 247,051.97 and 52,381.64 is: 78,571.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,703.05 : 247,051.97 = 52,381.64 : x
  2. Step 2: Convert to fraction form
    164,703.05/247,051.97 = 52,381.64/x
  3. Step 3: Cross multiply
    164,703.05x = 247,051.97 × 52,381.64
  4. Step 4: Simplify right side
    164,703.05x = 12,940,987,709.55
  5. Step 5: Solve for x
    x = 12,940,987,709.55/164,703.05
  6. Step 6: Final answer
    x = 78,571.64

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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.