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Finding the Fourth Proportional to 104,584.97, 144,329.39 and 56,841.40

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Solution

The fourth proportional to 104,584.97, 144,329.39 and 56,841.40 is: 78,442.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,584.97 : 144,329.39 = 56,841.40 : x
  2. Step 2: Convert to fraction form
    104,584.97/144,329.39 = 56,841.40/x
  3. Step 3: Cross multiply
    104,584.97x = 144,329.39 × 56,841.40
  4. Step 4: Simplify right side
    104,584.97x = 8,203,884,205.99
  5. Step 5: Solve for x
    x = 8,203,884,205.99/104,584.97
  6. Step 6: Final answer
    x = 78,442.28

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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.