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Finding the Fourth Proportional to 161,466.66, 222,904.71 and 125,087.16

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Solution

The fourth proportional to 161,466.66, 222,904.71 and 125,087.16 is: 172,682.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,466.66 : 222,904.71 = 125,087.16 : x
  2. Step 2: Convert to fraction form
    161,466.66/222,904.71 = 125,087.16/x
  3. Step 3: Cross multiply
    161,466.66x = 222,904.71 × 125,087.16
  4. Step 4: Simplify right side
    161,466.66x = 27,882,517,124.52
  5. Step 5: Solve for x
    x = 27,882,517,124.52/161,466.66
  6. Step 6: Final answer
    x = 172,682.81

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