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Finding the Fourth Proportional to 269,066.28, 371,354.82 and 155,954.28

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Solution

The fourth proportional to 269,066.28, 371,354.82 and 155,954.28 is: 215,242.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,066.28 : 371,354.82 = 155,954.28 : x
  2. Step 2: Convert to fraction form
    269,066.28/371,354.82 = 155,954.28/x
  3. Step 3: Cross multiply
    269,066.28x = 371,354.82 × 155,954.28
  4. Step 4: Simplify right side
    269,066.28x = 57,914,373,577.63
  5. Step 5: Solve for x
    x = 57,914,373,577.63/269,066.28
  6. Step 6: Final answer
    x = 215,242.03

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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.