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Finding the Fourth Proportional to 113,991.27, 157,308.11 and 65,592.24

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Solution

The fourth proportional to 113,991.27, 157,308.11 and 65,592.24 is: 90,517.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,991.27 : 157,308.11 = 65,592.24 : x
  2. Step 2: Convert to fraction form
    113,991.27/157,308.11 = 65,592.24/x
  3. Step 3: Cross multiply
    113,991.27x = 157,308.11 × 65,592.24
  4. Step 4: Simplify right side
    113,991.27x = 10,318,190,354.55
  5. Step 5: Solve for x
    x = 10,318,190,354.55/113,991.27
  6. Step 6: Final answer
    x = 90,517.37

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1.5x scale

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.