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Finding the Fourth Proportional to 275,559.29, 412,954.05 and 148,926.59

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Solution

The fourth proportional to 275,559.29, 412,954.05 and 148,926.59 is: 223,181.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,559.29 : 412,954.05 = 148,926.59 : x
  2. Step 2: Convert to fraction form
    275,559.29/412,954.05 = 148,926.59/x
  3. Step 3: Cross multiply
    275,559.29x = 412,954.05 × 148,926.59
  4. Step 4: Simplify right side
    275,559.29x = 61,499,838,493.19
  5. Step 5: Solve for x
    x = 61,499,838,493.19/275,559.29
  6. Step 6: Final answer
    x = 223,181.87

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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.