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Finding the Fourth Proportional to 169,635.28, 253,969.08 and 134,626

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Solution

The fourth proportional to 169,635.28, 253,969.08 and 134,626 is: 201,555.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,635.28 : 253,969.08 = 134,626 : x
  2. Step 2: Convert to fraction form
    169,635.28/253,969.08 = 134,626/x
  3. Step 3: Cross multiply
    169,635.28x = 253,969.08 × 134,626
  4. Step 4: Simplify right side
    169,635.28x = 34,190,841,364.08
  5. Step 5: Solve for x
    x = 34,190,841,364.08/169,635.28
  6. Step 6: Final answer
    x = 201,555.01

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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.