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Finding the Fourth Proportional to 164,083.60, 246,319.80 and 162,917.20

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Solution

The fourth proportional to 164,083.60, 246,319.80 and 162,917.20 is: 244,568.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,083.60 : 246,319.80 = 162,917.20 : x
  2. Step 2: Convert to fraction form
    164,083.60/246,319.80 = 162,917.20/x
  3. Step 3: Cross multiply
    164,083.60x = 246,319.80 × 162,917.20
  4. Step 4: Simplify right side
    164,083.60x = 40,129,732,120.56
  5. Step 5: Solve for x
    x = 40,129,732,120.56/164,083.60
  6. Step 6: Final answer
    x = 244,568.82

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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.