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Finding the Fourth Proportional to 58,253.96, 80,358 and 40,359.44

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Solution

The fourth proportional to 58,253.96, 80,358 and 40,359.44 is: 55,673.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,253.96 : 80,358 = 40,359.44 : x
  2. Step 2: Convert to fraction form
    58,253.96/80,358 = 40,359.44/x
  3. Step 3: Cross multiply
    58,253.96x = 80,358 × 40,359.44
  4. Step 4: Simplify right side
    58,253.96x = 3,243,203,879.52
  5. Step 5: Solve for x
    x = 3,243,203,879.52/58,253.96
  6. Step 6: Final answer
    x = 55,673.53

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.