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Finding the Fourth Proportional to 116,955.70, 175,287.85 and 53,708.57

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Solution

The fourth proportional to 116,955.70, 175,287.85 and 53,708.57 is: 80,495.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,955.70 : 175,287.85 = 53,708.57 : x
  2. Step 2: Convert to fraction form
    116,955.70/175,287.85 = 53,708.57/x
  3. Step 3: Cross multiply
    116,955.70x = 175,287.85 × 53,708.57
  4. Step 4: Simplify right side
    116,955.70x = 9,414,459,408.49
  5. Step 5: Solve for x
    x = 9,414,459,408.49/116,955.70
  6. Step 6: Final answer
    x = 80,495.95

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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.