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Finding the Fourth Proportional to 66,909, 92,334.42 and 37,101

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Solution

The fourth proportional to 66,909, 92,334.42 and 37,101 is: 51,199.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,909 : 92,334.42 = 37,101 : x
  2. Step 2: Convert to fraction form
    66,909/92,334.42 = 37,101/x
  3. Step 3: Cross multiply
    66,909x = 92,334.42 × 37,101
  4. Step 4: Simplify right side
    66,909x = 3,425,699,316.42
  5. Step 5: Solve for x
    x = 3,425,699,316.42/66,909
  6. Step 6: Final answer
    x = 51,199.38

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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.