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Finding the Fourth Proportional to 116,726.80, 175,090.20 and 104,042.20

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Solution

The fourth proportional to 116,726.80, 175,090.20 and 104,042.20 is: 156,063.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,726.80 : 175,090.20 = 104,042.20 : x
  2. Step 2: Convert to fraction form
    116,726.80/175,090.20 = 104,042.20/x
  3. Step 3: Cross multiply
    116,726.80x = 175,090.20 × 104,042.20
  4. Step 4: Simplify right side
    116,726.80x = 18,216,769,606.44
  5. Step 5: Solve for x
    x = 18,216,769,606.44/116,726.80
  6. Step 6: Final answer
    x = 156,063.30

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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.