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Finding the Fourth Proportional to 116,780.75, 175,171.13 and 28,034.26

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Solution

The fourth proportional to 116,780.75, 175,171.13 and 28,034.26 is: 42,051.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,780.75 : 175,171.13 = 28,034.26 : x
  2. Step 2: Convert to fraction form
    116,780.75/175,171.13 = 28,034.26/x
  3. Step 3: Cross multiply
    116,780.75x = 175,171.13 × 28,034.26
  4. Step 4: Simplify right side
    116,780.75x = 4,910,792,943.77
  5. Step 5: Solve for x
    x = 4,910,792,943.77/116,780.75
  6. Step 6: Final answer
    x = 42,051.39

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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.