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Finding the Fourth Proportional to 71,661.33, 98,936.91 and 46,176.72

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Solution

The fourth proportional to 71,661.33, 98,936.91 and 46,176.72 is: 63,752.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,661.33 : 98,936.91 = 46,176.72 : x
  2. Step 2: Convert to fraction form
    71,661.33/98,936.91 = 46,176.72/x
  3. Step 3: Cross multiply
    71,661.33x = 98,936.91 × 46,176.72
  4. Step 4: Simplify right side
    71,661.33x = 4,568,581,990.74
  5. Step 5: Solve for x
    x = 4,568,581,990.74/71,661.33
  6. Step 6: Final answer
    x = 63,752.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.