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Finding the Fourth Proportional to 270,851.80, 373,385.94 and 190,028.92

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Solution

The fourth proportional to 270,851.80, 373,385.94 and 190,028.92 is: 261,966.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,851.80 : 373,385.94 = 190,028.92 : x
  2. Step 2: Convert to fraction form
    270,851.80/373,385.94 = 190,028.92/x
  3. Step 3: Cross multiply
    270,851.80x = 373,385.94 × 190,028.92
  4. Step 4: Simplify right side
    270,851.80x = 70,954,126,921.38
  5. Step 5: Solve for x
    x = 70,954,126,921.38/270,851.80
  6. Step 6: Final answer
    x = 261,966.61

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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.