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Finding the Fourth Proportional to 118,571.17, 163,609.13 and 67,584.00

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Solution

The fourth proportional to 118,571.17, 163,609.13 and 67,584.00 is: 93,255.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,571.17 : 163,609.13 = 67,584.00 : x
  2. Step 2: Convert to fraction form
    118,571.17/163,609.13 = 67,584.00/x
  3. Step 3: Cross multiply
    118,571.17x = 163,609.13 × 67,584.00
  4. Step 4: Simplify right side
    118,571.17x = 11,057,358,558.84
  5. Step 5: Solve for x
    x = 11,057,358,558.84/118,571.17
  6. Step 6: Final answer
    x = 93,255.04

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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.