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Finding the Fourth Proportional to 112,797.22, 168,200.03 and 111,784.90

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Solution

The fourth proportional to 112,797.22, 168,200.03 and 111,784.90 is: 166,690.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,797.22 : 168,200.03 = 111,784.90 : x
  2. Step 2: Convert to fraction form
    112,797.22/168,200.03 = 111,784.90/x
  3. Step 3: Cross multiply
    112,797.22x = 168,200.03 × 111,784.90
  4. Step 4: Simplify right side
    112,797.22x = 18,802,223,533.55
  5. Step 5: Solve for x
    x = 18,802,223,533.55/112,797.22
  6. Step 6: Final answer
    x = 166,690.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.