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Finding the Fourth Proportional to 291,697.05, 437,545.65 and 92,033.06

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Solution

The fourth proportional to 291,697.05, 437,545.65 and 92,033.06 is: 138,049.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,697.05 : 437,545.65 = 92,033.06 : x
  2. Step 2: Convert to fraction form
    291,697.05/437,545.65 = 92,033.06/x
  3. Step 3: Cross multiply
    291,697.05x = 437,545.65 × 92,033.06
  4. Step 4: Simplify right side
    291,697.05x = 40,268,665,160.09
  5. Step 5: Solve for x
    x = 40,268,665,160.09/291,697.05
  6. Step 6: Final answer
    x = 138,049.61

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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.