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Finding the Fourth Proportional to 68,034.42, 102,060.87 and 23,655.45

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Solution

The fourth proportional to 68,034.42, 102,060.87 and 23,655.45 is: 35,486.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,034.42 : 102,060.87 = 23,655.45 : x
  2. Step 2: Convert to fraction form
    68,034.42/102,060.87 = 23,655.45/x
  3. Step 3: Cross multiply
    68,034.42x = 102,060.87 × 23,655.45
  4. Step 4: Simplify right side
    68,034.42x = 2,414,295,807.24
  5. Step 5: Solve for x
    x = 2,414,295,807.24/68,034.42
  6. Step 6: Final answer
    x = 35,486.39

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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.