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Finding the Fourth Proportional to 185,482.69, 278,037.09 and 73,119.42

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Solution

The fourth proportional to 185,482.69, 278,037.09 and 73,119.42 is: 109,605.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,482.69 : 278,037.09 = 73,119.42 : x
  2. Step 2: Convert to fraction form
    185,482.69/278,037.09 = 73,119.42/x
  3. Step 3: Cross multiply
    185,482.69x = 278,037.09 × 73,119.42
  4. Step 4: Simplify right side
    185,482.69x = 20,329,910,759.29
  5. Step 5: Solve for x
    x = 20,329,910,759.29/185,482.69
  6. Step 6: Final answer
    x = 109,605.44

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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.