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Finding the Fourth Proportional to 491,052.97, 736,577.43 and 136,065.97

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Solution

The fourth proportional to 491,052.97, 736,577.43 and 136,065.97 is: 204,098.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,052.97 : 736,577.43 = 136,065.97 : x
  2. Step 2: Convert to fraction form
    491,052.97/736,577.43 = 136,065.97/x
  3. Step 3: Cross multiply
    491,052.97x = 736,577.43 × 136,065.97
  4. Step 4: Simplify right side
    491,052.97x = 100,223,122,493.06
  5. Step 5: Solve for x
    x = 100,223,122,493.06/491,052.97
  6. Step 6: Final answer
    x = 204,098.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.