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Finding the Fourth Proportional to 68,029.58, 102,090.81 and 23,655.89

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Solution

The fourth proportional to 68,029.58, 102,090.81 and 23,655.89 is: 35,499.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,029.58 : 102,090.81 = 23,655.89 : x
  2. Step 2: Convert to fraction form
    68,029.58/102,090.81 = 23,655.89/x
  3. Step 3: Cross multiply
    68,029.58x = 102,090.81 × 23,655.89
  4. Step 4: Simplify right side
    68,029.58x = 2,415,048,971.37
  5. Step 5: Solve for x
    x = 2,415,048,971.37/68,029.58
  6. Step 6: Final answer
    x = 35,499.98

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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.