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Finding the Fourth Proportional to 116,187.60, 173,892.60 and 102,190.80

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Solution

The fourth proportional to 116,187.60, 173,892.60 and 102,190.80 is: 152,944.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,187.60 : 173,892.60 = 102,190.80 : x
  2. Step 2: Convert to fraction form
    116,187.60/173,892.60 = 102,190.80/x
  3. Step 3: Cross multiply
    116,187.60x = 173,892.60 × 102,190.80
  4. Step 4: Simplify right side
    116,187.60x = 17,770,223,908.08
  5. Step 5: Solve for x
    x = 17,770,223,908.08/116,187.60
  6. Step 6: Final answer
    x = 152,944.24

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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.