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Finding the Fourth Proportional to 68,933.61, 103,415.14 and 23,956.39

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Solution

The fourth proportional to 68,933.61, 103,415.14 and 23,956.39 is: 35,939.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,933.61 : 103,415.14 = 23,956.39 : x
  2. Step 2: Convert to fraction form
    68,933.61/103,415.14 = 23,956.39/x
  3. Step 3: Cross multiply
    68,933.61x = 103,415.14 × 23,956.39
  4. Step 4: Simplify right side
    68,933.61x = 2,477,453,425.74
  5. Step 5: Solve for x
    x = 2,477,453,425.74/68,933.61
  6. Step 6: Final answer
    x = 35,939.70

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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.