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Finding the Fourth Proportional to 254,143.48, 350,786.82 and 158,593.72

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Solution

The fourth proportional to 254,143.48, 350,786.82 and 158,593.72 is: 218,902.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,143.48 : 350,786.82 = 158,593.72 : x
  2. Step 2: Convert to fraction form
    254,143.48/350,786.82 = 158,593.72/x
  3. Step 3: Cross multiply
    254,143.48x = 350,786.82 × 158,593.72
  4. Step 4: Simplify right side
    254,143.48x = 55,632,586,710.77
  5. Step 5: Solve for x
    x = 55,632,586,710.77/254,143.48
  6. Step 6: Final answer
    x = 218,902.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.