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Finding the Fourth Proportional to 79,776.50, 119,625.26 and 46,504.94

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Solution

The fourth proportional to 79,776.50, 119,625.26 and 46,504.94 is: 69,734.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,776.50 : 119,625.26 = 46,504.94 : x
  2. Step 2: Convert to fraction form
    79,776.50/119,625.26 = 46,504.94/x
  3. Step 3: Cross multiply
    79,776.50x = 119,625.26 × 46,504.94
  4. Step 4: Simplify right side
    79,776.50x = 5,563,164,708.13
  5. Step 5: Solve for x
    x = 5,563,164,708.13/79,776.50
  6. Step 6: Final answer
    x = 69,734.38

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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.