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Finding the Fourth Proportional to 79,398.87, 118,942.59 and 46,048.89

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Solution

The fourth proportional to 79,398.87, 118,942.59 and 46,048.89 is: 68,983.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,398.87 : 118,942.59 = 46,048.89 : x
  2. Step 2: Convert to fraction form
    79,398.87/118,942.59 = 46,048.89/x
  3. Step 3: Cross multiply
    79,398.87x = 118,942.59 × 46,048.89
  4. Step 4: Simplify right side
    79,398.87x = 5,477,174,243.23
  5. Step 5: Solve for x
    x = 5,477,174,243.23/79,398.87
  6. Step 6: Final answer
    x = 68,983.03

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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.