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Finding the Fourth Proportional to 66,955, 92,402.22 and 37,147

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Solution

The fourth proportional to 66,955, 92,402.22 and 37,147 is: 51,265.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,955 : 92,402.22 = 37,147 : x
  2. Step 2: Convert to fraction form
    66,955/92,402.22 = 37,147/x
  3. Step 3: Cross multiply
    66,955x = 92,402.22 × 37,147
  4. Step 4: Simplify right side
    66,955x = 3,432,465,266.34
  5. Step 5: Solve for x
    x = 3,432,465,266.34/66,955
  6. Step 6: Final answer
    x = 51,265.26

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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.