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Finding the Fourth Proportional to 89,064.57, 122,906.08 and 50,826.23

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Solution

The fourth proportional to 89,064.57, 122,906.08 and 50,826.23 is: 70,138.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,064.57 : 122,906.08 = 50,826.23 : x
  2. Step 2: Convert to fraction form
    89,064.57/122,906.08 = 50,826.23/x
  3. Step 3: Cross multiply
    89,064.57x = 122,906.08 × 50,826.23
  4. Step 4: Simplify right side
    89,064.57x = 6,246,852,690.48
  5. Step 5: Solve for x
    x = 6,246,852,690.48/89,064.57
  6. Step 6: Final answer
    x = 70,138.47

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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.