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Finding the Fourth Proportional to 68,424.44, 102,649.41 and 26,302.82

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Solution

The fourth proportional to 68,424.44, 102,649.41 and 26,302.82 is: 39,459.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,424.44 : 102,649.41 = 26,302.82 : x
  2. Step 2: Convert to fraction form
    68,424.44/102,649.41 = 26,302.82/x
  3. Step 3: Cross multiply
    68,424.44x = 102,649.41 × 26,302.82
  4. Step 4: Simplify right side
    68,424.44x = 2,699,968,441.09
  5. Step 5: Solve for x
    x = 2,699,968,441.09/68,424.44
  6. Step 6: Final answer
    x = 39,459.13

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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.