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Finding the Fourth Proportional to 92,711.79, 127,941.12 and 50,270.22

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Solution

The fourth proportional to 92,711.79, 127,941.12 and 50,270.22 is: 69,372.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,711.79 : 127,941.12 = 50,270.22 : x
  2. Step 2: Convert to fraction form
    92,711.79/127,941.12 = 50,270.22/x
  3. Step 3: Cross multiply
    92,711.79x = 127,941.12 × 50,270.22
  4. Step 4: Simplify right side
    92,711.79x = 6,431,628,249.45
  5. Step 5: Solve for x
    x = 6,431,628,249.45/92,711.79
  6. Step 6: Final answer
    x = 69,372.28

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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.