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Finding the Fourth Proportional to 164,443.10, 246,664.62 and 61,879.71

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Solution

The fourth proportional to 164,443.10, 246,664.62 and 61,879.71 is: 92,819.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,443.10 : 246,664.62 = 61,879.71 : x
  2. Step 2: Convert to fraction form
    164,443.10/246,664.62 = 61,879.71/x
  3. Step 3: Cross multiply
    164,443.10x = 246,664.62 × 61,879.71
  4. Step 4: Simplify right side
    164,443.10x = 15,263,534,459.92
  5. Step 5: Solve for x
    x = 15,263,534,459.92/164,443.10
  6. Step 6: Final answer
    x = 92,819.55

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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.