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Finding the Fourth Proportional to 130,571.64, 195,825.78 and 60,383.88

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Solution

The fourth proportional to 130,571.64, 195,825.78 and 60,383.88 is: 90,561.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,571.64 : 195,825.78 = 60,383.88 : x
  2. Step 2: Convert to fraction form
    130,571.64/195,825.78 = 60,383.88/x
  3. Step 3: Cross multiply
    130,571.64x = 195,825.78 × 60,383.88
  4. Step 4: Simplify right side
    130,571.64x = 11,824,720,400.43
  5. Step 5: Solve for x
    x = 11,824,720,400.43/130,571.64
  6. Step 6: Final answer
    x = 90,561.17

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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.