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Finding the Fourth Proportional to 445,302.68, 667,954.51 and 108,343.33

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Solution

The fourth proportional to 445,302.68, 667,954.51 and 108,343.33 is: 162,515.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,302.68 : 667,954.51 = 108,343.33 : x
  2. Step 2: Convert to fraction form
    445,302.68/667,954.51 = 108,343.33/x
  3. Step 3: Cross multiply
    445,302.68x = 667,954.51 × 108,343.33
  4. Step 4: Simplify right side
    445,302.68x = 72,368,413,961.17
  5. Step 5: Solve for x
    x = 72,368,413,961.17/445,302.68
  6. Step 6: Final answer
    x = 162,515.11

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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.