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Finding the Fourth Proportional to 170,744.40, 255,533.40 and 149,749.20

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Solution

The fourth proportional to 170,744.40, 255,533.40 and 149,749.20 is: 224,112.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,744.40 : 255,533.40 = 149,749.20 : x
  2. Step 2: Convert to fraction form
    170,744.40/255,533.40 = 149,749.20/x
  3. Step 3: Cross multiply
    170,744.40x = 255,533.40 × 149,749.20
  4. Step 4: Simplify right side
    170,744.40x = 38,265,922,223.28
  5. Step 5: Solve for x
    x = 38,265,922,223.28/170,744.40
  6. Step 6: Final answer
    x = 224,112.31

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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.