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Finding the Fourth Proportional to 79,350.86, 109,497.22 and 45,352.60

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Solution

The fourth proportional to 79,350.86, 109,497.22 and 45,352.60 is: 62,582.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,350.86 : 109,497.22 = 45,352.60 : x
  2. Step 2: Convert to fraction form
    79,350.86/109,497.22 = 45,352.60/x
  3. Step 3: Cross multiply
    79,350.86x = 109,497.22 × 45,352.60
  4. Step 4: Simplify right side
    79,350.86x = 4,965,983,232.65
  5. Step 5: Solve for x
    x = 4,965,983,232.65/79,350.86
  6. Step 6: Final answer
    x = 62,582.60

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Why These Related Problems?

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