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Finding the Fourth Proportional to 161,361.60, 222,684.40 and 88,767.52

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Solution

The fourth proportional to 161,361.60, 222,684.40 and 88,767.52 is: 122,502.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,361.60 : 222,684.40 = 88,767.52 : x
  2. Step 2: Convert to fraction form
    161,361.60/222,684.40 = 88,767.52/x
  3. Step 3: Cross multiply
    161,361.60x = 222,684.40 × 88,767.52
  4. Step 4: Simplify right side
    161,361.60x = 19,767,141,930.69
  5. Step 5: Solve for x
    x = 19,767,141,930.69/161,361.60
  6. Step 6: Final answer
    x = 122,502.14

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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.