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Finding the Fourth Proportional to 94,892.77, 130,938.64 and 54,057.97

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Solution

The fourth proportional to 94,892.77, 130,938.64 and 54,057.97 is: 74,592.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,892.77 : 130,938.64 = 54,057.97 : x
  2. Step 2: Convert to fraction form
    94,892.77/130,938.64 = 54,057.97/x
  3. Step 3: Cross multiply
    94,892.77x = 130,938.64 × 54,057.97
  4. Step 4: Simplify right side
    94,892.77x = 7,078,277,072.96
  5. Step 5: Solve for x
    x = 7,078,277,072.96/94,892.77
  6. Step 6: Final answer
    x = 74,592.37

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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.