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Finding the Fourth Proportional to 79,317.99, 118,939.02 and 46,047.24

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Solution

The fourth proportional to 79,317.99, 118,939.02 and 46,047.24 is: 69,048.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,317.99 : 118,939.02 = 46,047.24 : x
  2. Step 2: Convert to fraction form
    79,317.99/118,939.02 = 46,047.24/x
  3. Step 3: Cross multiply
    79,317.99x = 118,939.02 × 46,047.24
  4. Step 4: Simplify right side
    79,317.99x = 5,476,813,599.30
  5. Step 5: Solve for x
    x = 5,476,813,599.30/79,317.99
  6. Step 6: Final answer
    x = 69,048.82

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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.