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Finding the Fourth Proportional to 116,049.60, 174,090.60 and 49,489.20

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Solution

The fourth proportional to 116,049.60, 174,090.60 and 49,489.20 is: 74,240.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,049.60 : 174,090.60 = 49,489.20 : x
  2. Step 2: Convert to fraction form
    116,049.60/174,090.60 = 49,489.20/x
  3. Step 3: Cross multiply
    116,049.60x = 174,090.60 × 49,489.20
  4. Step 4: Simplify right side
    116,049.60x = 8,615,604,521.52
  5. Step 5: Solve for x
    x = 8,615,604,521.52/116,049.60
  6. Step 6: Final answer
    x = 74,240.71

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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.