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Finding the Fourth Proportional to 171,122.75, 255,430.73 and 150,922.34

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Solution

The fourth proportional to 171,122.75, 255,430.73 and 150,922.34 is: 225,278.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,122.75 : 255,430.73 = 150,922.34 : x
  2. Step 2: Convert to fraction form
    171,122.75/255,430.73 = 150,922.34/x
  3. Step 3: Cross multiply
    171,122.75x = 255,430.73 × 150,922.34
  4. Step 4: Simplify right side
    171,122.75x = 38,550,203,479.51
  5. Step 5: Solve for x
    x = 38,550,203,479.51/171,122.75
  6. Step 6: Final answer
    x = 225,278.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.