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Finding the Fourth Proportional to 79,482.72, 119,127.24 and 43,942.62

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Solution

The fourth proportional to 79,482.72, 119,127.24 and 43,942.62 is: 65,860.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,482.72 : 119,127.24 = 43,942.62 : x
  2. Step 2: Convert to fraction form
    79,482.72/119,127.24 = 43,942.62/x
  3. Step 3: Cross multiply
    79,482.72x = 119,127.24 × 43,942.62
  4. Step 4: Simplify right side
    79,482.72x = 5,234,763,038.97
  5. Step 5: Solve for x
    x = 5,234,763,038.97/79,482.72
  6. Step 6: Final answer
    x = 65,860.39

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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.