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Finding the Fourth Proportional to 79,200, 118,738.08 and 41,711.04

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Solution

The fourth proportional to 79,200, 118,738.08 and 41,711.04 is: 62,533.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,200 : 118,738.08 = 41,711.04 : x
  2. Step 2: Convert to fraction form
    79,200/118,738.08 = 41,711.04/x
  3. Step 3: Cross multiply
    79,200x = 118,738.08 × 41,711.04
  4. Step 4: Simplify right side
    79,200x = 4,952,688,804.40
  5. Step 5: Solve for x
    x = 4,952,688,804.40/79,200
  6. Step 6: Final answer
    x = 62,533.95

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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.