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Finding the Fourth Proportional to 161,041.65, 222,255.23 and 92,137.51

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Solution

The fourth proportional to 161,041.65, 222,255.23 and 92,137.51 is: 127,159.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,041.65 : 222,255.23 = 92,137.51 : x
  2. Step 2: Convert to fraction form
    161,041.65/222,255.23 = 92,137.51/x
  3. Step 3: Cross multiply
    161,041.65x = 222,255.23 × 92,137.51
  4. Step 4: Simplify right side
    161,041.65x = 20,478,043,476.68
  5. Step 5: Solve for x
    x = 20,478,043,476.68/161,041.65
  6. Step 6: Final answer
    x = 127,159.92

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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.