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Finding the Fourth Proportional to 291,969.41, 437,916.24 and 92,309.94

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Solution

The fourth proportional to 291,969.41, 437,916.24 and 92,309.94 is: 138,452.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,969.41 : 437,916.24 = 92,309.94 : x
  2. Step 2: Convert to fraction form
    291,969.41/437,916.24 = 92,309.94/x
  3. Step 3: Cross multiply
    291,969.41x = 437,916.24 × 92,309.94
  4. Step 4: Simplify right side
    291,969.41x = 40,424,021,839.43
  5. Step 5: Solve for x
    x = 40,424,021,839.43/291,969.41
  6. Step 6: Final answer
    x = 138,452.94

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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.