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Finding the Fourth Proportional to 161,366, 222,683.84 and 88,767.33

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Solution

The fourth proportional to 161,366, 222,683.84 and 88,767.33 is: 122,498.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,366 : 222,683.84 = 88,767.33 : x
  2. Step 2: Convert to fraction form
    161,366/222,683.84 = 88,767.33/x
  3. Step 3: Cross multiply
    161,366x = 222,683.84 × 88,767.33
  4. Step 4: Simplify right side
    161,366x = 19,767,048,797.53
  5. Step 5: Solve for x
    x = 19,767,048,797.53/161,366
  6. Step 6: Final answer
    x = 122,498.23

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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.