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Finding the Fourth Proportional to 270,916.44, 373,860.57 and 148,407.84

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Solution

The fourth proportional to 270,916.44, 373,860.57 and 148,407.84 is: 204,800.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,916.44 : 373,860.57 = 148,407.84 : x
  2. Step 2: Convert to fraction form
    270,916.44/373,860.57 = 148,407.84/x
  3. Step 3: Cross multiply
    270,916.44x = 373,860.57 × 148,407.84
  4. Step 4: Simplify right side
    270,916.44x = 55,483,839,654.87
  5. Step 5: Solve for x
    x = 55,483,839,654.87/270,916.44
  6. Step 6: Final answer
    x = 204,800.56

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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.