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Finding the Fourth Proportional to 92,715.76, 127,947.63 and 50,274.19

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Solution

The fourth proportional to 92,715.76, 127,947.63 and 50,274.19 is: 69,378.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,715.76 : 127,947.63 = 50,274.19 : x
  2. Step 2: Convert to fraction form
    92,715.76/127,947.63 = 50,274.19/x
  3. Step 3: Cross multiply
    92,715.76x = 127,947.63 × 50,274.19
  4. Step 4: Simplify right side
    92,715.76x = 6,432,463,460.67
  5. Step 5: Solve for x
    x = 6,432,463,460.67/92,715.76
  6. Step 6: Final answer
    x = 69,378.32

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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.