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Finding the Fourth Proportional to 188,651.94, 260,390.86 and 111,195.24

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Solution

The fourth proportional to 188,651.94, 260,390.86 and 111,195.24 is: 153,479.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,651.94 : 260,390.86 = 111,195.24 : x
  2. Step 2: Convert to fraction form
    188,651.94/260,390.86 = 111,195.24/x
  3. Step 3: Cross multiply
    188,651.94x = 260,390.86 × 111,195.24
  4. Step 4: Simplify right side
    188,651.94x = 28,954,224,171.51
  5. Step 5: Solve for x
    x = 28,954,224,171.51/188,651.94
  6. Step 6: Final answer
    x = 153,479.60

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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.