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Finding the Fourth Proportional to 70,607.66, 97,415.10 and 41,936.09

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Solution

The fourth proportional to 70,607.66, 97,415.10 and 41,936.09 is: 57,857.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,607.66 : 97,415.10 = 41,936.09 : x
  2. Step 2: Convert to fraction form
    70,607.66/97,415.10 = 41,936.09/x
  3. Step 3: Cross multiply
    70,607.66x = 97,415.10 × 41,936.09
  4. Step 4: Simplify right side
    70,607.66x = 4,085,207,913.88
  5. Step 5: Solve for x
    x = 4,085,207,913.88/70,607.66
  6. Step 6: Final answer
    x = 57,857.86

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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.