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Finding the Fourth Proportional to 141,884.52, 195,794.74 and 77,352.36

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Solution

The fourth proportional to 141,884.52, 195,794.74 and 77,352.36 is: 106,743.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,884.52 : 195,794.74 = 77,352.36 : x
  2. Step 2: Convert to fraction form
    141,884.52/195,794.74 = 77,352.36/x
  3. Step 3: Cross multiply
    141,884.52x = 195,794.74 × 77,352.36
  4. Step 4: Simplify right side
    141,884.52x = 15,145,185,214.59
  5. Step 5: Solve for x
    x = 15,145,185,214.59/141,884.52
  6. Step 6: Final answer
    x = 106,743.04

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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.