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Finding the Fourth Proportional to 92,716.45, 127,945.27 and 50,274.07

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Solution

The fourth proportional to 92,716.45, 127,945.27 and 50,274.07 is: 69,376.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,716.45 : 127,945.27 = 50,274.07 : x
  2. Step 2: Convert to fraction form
    92,716.45/127,945.27 = 50,274.07/x
  3. Step 3: Cross multiply
    92,716.45x = 127,945.27 × 50,274.07
  4. Step 4: Simplify right side
    92,716.45x = 6,432,329,203.13
  5. Step 5: Solve for x
    x = 6,432,329,203.13/92,716.45
  6. Step 6: Final answer
    x = 69,376.36

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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.