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Finding the Fourth Proportional to 68,625.56, 102,918.53 and 23,645.08

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Solution

The fourth proportional to 68,625.56, 102,918.53 and 23,645.08 is: 35,460.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,625.56 : 102,918.53 = 23,645.08 : x
  2. Step 2: Convert to fraction form
    68,625.56/102,918.53 = 23,645.08/x
  3. Step 3: Cross multiply
    68,625.56x = 102,918.53 × 23,645.08
  4. Step 4: Simplify right side
    68,625.56x = 2,433,516,242.51
  5. Step 5: Solve for x
    x = 2,433,516,242.51/68,625.56
  6. Step 6: Final answer
    x = 35,460.79

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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.