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Finding the Fourth Proportional to 188,319.63, 259,926.35 and 107,793.84

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Solution

The fourth proportional to 188,319.63, 259,926.35 and 107,793.84 is: 148,781.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,319.63 : 259,926.35 = 107,793.84 : x
  2. Step 2: Convert to fraction form
    188,319.63/259,926.35 = 107,793.84/x
  3. Step 3: Cross multiply
    188,319.63x = 259,926.35 × 107,793.84
  4. Step 4: Simplify right side
    188,319.63x = 28,018,459,383.68
  5. Step 5: Solve for x
    x = 28,018,459,383.68/188,319.63
  6. Step 6: Final answer
    x = 148,781.41

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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.