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Finding the Fourth Proportional to 92,563.95, 127,735.68 and 54,838.20

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Solution

The fourth proportional to 92,563.95, 127,735.68 and 54,838.20 is: 75,675.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,563.95 : 127,735.68 = 54,838.20 : x
  2. Step 2: Convert to fraction form
    92,563.95/127,735.68 = 54,838.20/x
  3. Step 3: Cross multiply
    92,563.95x = 127,735.68 × 54,838.20
  4. Step 4: Simplify right side
    92,563.95x = 7,004,794,766.98
  5. Step 5: Solve for x
    x = 7,004,794,766.98/92,563.95
  6. Step 6: Final answer
    x = 75,675.19

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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.