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Finding the Fourth Proportional to 116,190.40, 174,350.40 and 49,619.20

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Solution

The fourth proportional to 116,190.40, 174,350.40 and 49,619.20 is: 74,456.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,190.40 : 174,350.40 = 49,619.20 : x
  2. Step 2: Convert to fraction form
    116,190.40/174,350.40 = 49,619.20/x
  3. Step 3: Cross multiply
    116,190.40x = 174,350.40 × 49,619.20
  4. Step 4: Simplify right side
    116,190.40x = 8,651,127,367.68
  5. Step 5: Solve for x
    x = 8,651,127,367.68/116,190.40
  6. Step 6: Final answer
    x = 74,456.47

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1.5x scale

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.