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Finding the Fourth Proportional to 79,119.96, 118,666.98 and 23,703

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Solution

The fourth proportional to 79,119.96, 118,666.98 and 23,703 is: 35,550.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,119.96 : 118,666.98 = 23,703 : x
  2. Step 2: Convert to fraction form
    79,119.96/118,666.98 = 23,703/x
  3. Step 3: Cross multiply
    79,119.96x = 118,666.98 × 23,703
  4. Step 4: Simplify right side
    79,119.96x = 2,812,763,426.94
  5. Step 5: Solve for x
    x = 2,812,763,426.94/79,119.96
  6. Step 6: Final answer
    x = 35,550.62

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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.