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Finding the Fourth Proportional to 90,959.95, 125,533.97 and 50,680.27

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Solution

The fourth proportional to 90,959.95, 125,533.97 and 50,680.27 is: 69,943.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,959.95 : 125,533.97 = 50,680.27 : x
  2. Step 2: Convert to fraction form
    90,959.95/125,533.97 = 50,680.27/x
  3. Step 3: Cross multiply
    90,959.95x = 125,533.97 × 50,680.27
  4. Step 4: Simplify right side
    90,959.95x = 6,362,095,493.77
  5. Step 5: Solve for x
    x = 6,362,095,493.77/90,959.95
  6. Step 6: Final answer
    x = 69,943.92

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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.