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Finding the Fourth Proportional to 294,772.05, 441,775.35 and 136,664.10

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Solution

The fourth proportional to 294,772.05, 441,775.35 and 136,664.10 is: 204,818.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,772.05 : 441,775.35 = 136,664.10 : x
  2. Step 2: Convert to fraction form
    294,772.05/441,775.35 = 136,664.10/x
  3. Step 3: Cross multiply
    294,772.05x = 441,775.35 × 136,664.10
  4. Step 4: Simplify right side
    294,772.05x = 60,374,830,609.94
  5. Step 5: Solve for x
    x = 60,374,830,609.94/294,772.05
  6. Step 6: Final answer
    x = 204,818.71

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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.