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Finding the Fourth Proportional to 159,792.52, 220,593.54 and 99,382.60

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Solution

The fourth proportional to 159,792.52, 220,593.54 and 99,382.60 is: 137,197.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,792.52 : 220,593.54 = 99,382.60 : x
  2. Step 2: Convert to fraction form
    159,792.52/220,593.54 = 99,382.60/x
  3. Step 3: Cross multiply
    159,792.52x = 220,593.54 × 99,382.60
  4. Step 4: Simplify right side
    159,792.52x = 21,923,159,548.40
  5. Step 5: Solve for x
    x = 21,923,159,548.40/159,792.52
  6. Step 6: Final answer
    x = 137,197.66

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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.