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Finding the Fourth Proportional to 135,954.40, 203,528.40 and 101,048.80

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Solution

The fourth proportional to 135,954.40, 203,528.40 and 101,048.80 is: 151,273.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,954.40 : 203,528.40 = 101,048.80 : x
  2. Step 2: Convert to fraction form
    135,954.40/203,528.40 = 101,048.80/x
  3. Step 3: Cross multiply
    135,954.40x = 203,528.40 × 101,048.80
  4. Step 4: Simplify right side
    135,954.40x = 20,566,300,585.92
  5. Step 5: Solve for x
    x = 20,566,300,585.92/135,954.40
  6. Step 6: Final answer
    x = 151,273.52

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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.