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Finding the Fourth Proportional to 74,701, 103,087.38 and 41,167

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Solution

The fourth proportional to 74,701, 103,087.38 and 41,167 is: 56,810.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,701 : 103,087.38 = 41,167 : x
  2. Step 2: Convert to fraction form
    74,701/103,087.38 = 41,167/x
  3. Step 3: Cross multiply
    74,701x = 103,087.38 × 41,167
  4. Step 4: Simplify right side
    74,701x = 4,243,798,172.46
  5. Step 5: Solve for x
    x = 4,243,798,172.46/74,701
  6. Step 6: Final answer
    x = 56,810.46

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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.