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Finding the Fourth Proportional to 70,967.63, 97,936.74 and 45,860.87

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Solution

The fourth proportional to 70,967.63, 97,936.74 and 45,860.87 is: 63,288.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,967.63 : 97,936.74 = 45,860.87 : x
  2. Step 2: Convert to fraction form
    70,967.63/97,936.74 = 45,860.87/x
  3. Step 3: Cross multiply
    70,967.63x = 97,936.74 × 45,860.87
  4. Step 4: Simplify right side
    70,967.63x = 4,491,463,611.68
  5. Step 5: Solve for x
    x = 4,491,463,611.68/70,967.63
  6. Step 6: Final answer
    x = 63,288.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.