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Finding the Fourth Proportional to 291,733.60, 437,600.42 and 92,069.52

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Solution

The fourth proportional to 291,733.60, 437,600.42 and 92,069.52 is: 138,104.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,733.60 : 437,600.42 = 92,069.52 : x
  2. Step 2: Convert to fraction form
    291,733.60/437,600.42 = 92,069.52/x
  3. Step 3: Cross multiply
    291,733.60x = 437,600.42 × 92,069.52
  4. Step 4: Simplify right side
    291,733.60x = 40,289,660,621.20
  5. Step 5: Solve for x
    x = 40,289,660,621.20/291,733.60
  6. Step 6: Final answer
    x = 138,104.29

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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.