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Finding the Fourth Proportional to 291,757.29, 437,636 and 92,093.23

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Solution

The fourth proportional to 291,757.29, 437,636 and 92,093.23 is: 138,139.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,757.29 : 437,636 = 92,093.23 : x
  2. Step 2: Convert to fraction form
    291,757.29/437,636 = 92,093.23/x
  3. Step 3: Cross multiply
    291,757.29x = 437,636 × 92,093.23
  4. Step 4: Simplify right side
    291,757.29x = 40,303,312,804.28
  5. Step 5: Solve for x
    x = 40,303,312,804.28/291,757.29
  6. Step 6: Final answer
    x = 138,139.87

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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.