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Finding the Fourth Proportional to 174,171.68, 261,322.56 and 99,245.60

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Solution

The fourth proportional to 174,171.68, 261,322.56 and 99,245.60 is: 148,905.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,171.68 : 261,322.56 = 99,245.60 : x
  2. Step 2: Convert to fraction form
    174,171.68/261,322.56 = 99,245.60/x
  3. Step 3: Cross multiply
    174,171.68x = 261,322.56 × 99,245.60
  4. Step 4: Simplify right side
    174,171.68x = 25,935,114,260.74
  5. Step 5: Solve for x
    x = 25,935,114,260.74/174,171.68
  6. Step 6: Final answer
    x = 148,905.46

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.