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Finding the Fourth Proportional to 139,704.84, 209,598.09 and 44,932.89

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Solution

The fourth proportional to 139,704.84, 209,598.09 and 44,932.89 is: 67,412.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,704.84 : 209,598.09 = 44,932.89 : x
  2. Step 2: Convert to fraction form
    139,704.84/209,598.09 = 44,932.89/x
  3. Step 3: Cross multiply
    139,704.84x = 209,598.09 × 44,932.89
  4. Step 4: Simplify right side
    139,704.84x = 9,417,847,922.18
  5. Step 5: Solve for x
    x = 9,417,847,922.18/139,704.84
  6. Step 6: Final answer
    x = 67,412.47

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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.