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Finding the Fourth Proportional to 139,704.36, 209,597.36 and 44,932.41

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Solution

The fourth proportional to 139,704.36, 209,597.36 and 44,932.41 is: 67,411.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,704.36 : 209,597.36 = 44,932.41 : x
  2. Step 2: Convert to fraction form
    139,704.36/209,597.36 = 44,932.41/x
  3. Step 3: Cross multiply
    139,704.36x = 209,597.36 × 44,932.41
  4. Step 4: Simplify right side
    139,704.36x = 9,417,714,514.44
  5. Step 5: Solve for x
    x = 9,417,714,514.44/139,704.36
  6. Step 6: Final answer
    x = 67,411.74

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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.