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Finding the Fourth Proportional to 116,716.80, 175,075.20 and 104,032.20

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Solution

The fourth proportional to 116,716.80, 175,075.20 and 104,032.20 is: 156,048.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,716.80 : 175,075.20 = 104,032.20 : x
  2. Step 2: Convert to fraction form
    116,716.80/175,075.20 = 104,032.20/x
  3. Step 3: Cross multiply
    116,716.80x = 175,075.20 × 104,032.20
  4. Step 4: Simplify right side
    116,716.80x = 18,213,458,221.44
  5. Step 5: Solve for x
    x = 18,213,458,221.44/116,716.80
  6. Step 6: Final answer
    x = 156,048.30

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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.