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Finding the Fourth Proportional to 116,588.76, 174,629.20 and 71,473.58

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Solution

The fourth proportional to 116,588.76, 174,629.20 and 71,473.58 is: 107,054.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,588.76 : 174,629.20 = 71,473.58 : x
  2. Step 2: Convert to fraction form
    116,588.76/174,629.20 = 71,473.58/x
  3. Step 3: Cross multiply
    116,588.76x = 174,629.20 × 71,473.58
  4. Step 4: Simplify right side
    116,588.76x = 12,481,374,096.54
  5. Step 5: Solve for x
    x = 12,481,374,096.54/116,588.76
  6. Step 6: Final answer
    x = 107,054.69

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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.