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Finding the Fourth Proportional to 188,263.56, 259,830.90 and 112,819.08

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Solution

The fourth proportional to 188,263.56, 259,830.90 and 112,819.08 is: 155,706.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,263.56 : 259,830.90 = 112,819.08 : x
  2. Step 2: Convert to fraction form
    188,263.56/259,830.90 = 112,819.08/x
  3. Step 3: Cross multiply
    188,263.56x = 259,830.90 × 112,819.08
  4. Step 4: Simplify right side
    188,263.56x = 29,313,883,093.57
  5. Step 5: Solve for x
    x = 29,313,883,093.57/188,263.56
  6. Step 6: Final answer
    x = 155,706.62

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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.