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Finding the Fourth Proportional to 134,858.60, 202,287.90 and 108,614.60

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Solution

The fourth proportional to 134,858.60, 202,287.90 and 108,614.60 is: 162,921.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,858.60 : 202,287.90 = 108,614.60 : x
  2. Step 2: Convert to fraction form
    134,858.60/202,287.90 = 108,614.60/x
  3. Step 3: Cross multiply
    134,858.60x = 202,287.90 × 108,614.60
  4. Step 4: Simplify right side
    134,858.60x = 21,971,419,343.34
  5. Step 5: Solve for x
    x = 21,971,419,343.34/134,858.60
  6. Step 6: Final answer
    x = 162,921.90

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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.