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Finding the Fourth Proportional to 68,054.58, 102,006.24 and 51,360.48

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Solution

The fourth proportional to 68,054.58, 102,006.24 and 51,360.48 is: 76,983.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,054.58 : 102,006.24 = 51,360.48 : x
  2. Step 2: Convert to fraction form
    68,054.58/102,006.24 = 51,360.48/x
  3. Step 3: Cross multiply
    68,054.58x = 102,006.24 × 51,360.48
  4. Step 4: Simplify right side
    68,054.58x = 5,239,089,256.79
  5. Step 5: Solve for x
    x = 5,239,089,256.79/68,054.58
  6. Step 6: Final answer
    x = 76,983.64

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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.