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Finding the Fourth Proportional to 116,811.60, 175,260.60 and 37,928.40

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Solution

The fourth proportional to 116,811.60, 175,260.60 and 37,928.40 is: 56,906.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,811.60 : 175,260.60 = 37,928.40 : x
  2. Step 2: Convert to fraction form
    116,811.60/175,260.60 = 37,928.40/x
  3. Step 3: Cross multiply
    116,811.60x = 175,260.60 × 37,928.40
  4. Step 4: Simplify right side
    116,811.60x = 6,647,354,141.04
  5. Step 5: Solve for x
    x = 6,647,354,141.04/116,811.60
  6. Step 6: Final answer
    x = 56,906.63

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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.