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Finding the Fourth Proportional to 116,578.40, 174,867.60 and 50,007.20

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Solution

The fourth proportional to 116,578.40, 174,867.60 and 50,007.20 is: 75,010.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,578.40 : 174,867.60 = 50,007.20 : x
  2. Step 2: Convert to fraction form
    116,578.40/174,867.60 = 50,007.20/x
  3. Step 3: Cross multiply
    116,578.40x = 174,867.60 × 50,007.20
  4. Step 4: Simplify right side
    116,578.40x = 8,744,639,046.72
  5. Step 5: Solve for x
    x = 8,744,639,046.72/116,578.40
  6. Step 6: Final answer
    x = 75,010.80

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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.