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Finding the Fourth Proportional to 109,366.92, 163,922.40 and 50,208.30

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Solution

The fourth proportional to 109,366.92, 163,922.40 and 50,208.30 is: 75,253.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,366.92 : 163,922.40 = 50,208.30 : x
  2. Step 2: Convert to fraction form
    109,366.92/163,922.40 = 50,208.30/x
  3. Step 3: Cross multiply
    109,366.92x = 163,922.40 × 50,208.30
  4. Step 4: Simplify right side
    109,366.92x = 8,230,265,035.92
  5. Step 5: Solve for x
    x = 8,230,265,035.92/109,366.92
  6. Step 6: Final answer
    x = 75,253.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.