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Finding the Fourth Proportional to 268,580.77, 370,517.22 and 160,963.98

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Solution

The fourth proportional to 268,580.77, 370,517.22 and 160,963.98 is: 222,055.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,580.77 : 370,517.22 = 160,963.98 : x
  2. Step 2: Convert to fraction form
    268,580.77/370,517.22 = 160,963.98/x
  3. Step 3: Cross multiply
    268,580.77x = 370,517.22 × 160,963.98
  4. Step 4: Simplify right side
    268,580.77x = 59,639,926,389.74
  5. Step 5: Solve for x
    x = 59,639,926,389.74/268,580.77
  6. Step 6: Final answer
    x = 222,055.83

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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.