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Finding the Fourth Proportional to 116,756.76, 175,023 and 74,517.60

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Solution

The fourth proportional to 116,756.76, 175,023 and 74,517.60 is: 111,704.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,756.76 : 175,023 = 74,517.60 : x
  2. Step 2: Convert to fraction form
    116,756.76/175,023 = 74,517.60/x
  3. Step 3: Cross multiply
    116,756.76x = 175,023 × 74,517.60
  4. Step 4: Simplify right side
    116,756.76x = 13,042,293,904.80
  5. Step 5: Solve for x
    x = 13,042,293,904.80/116,756.76
  6. Step 6: Final answer
    x = 111,704.83

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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.