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Finding the Fourth Proportional to 238,602.60, 329,272.26 and 136,629.60

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Solution

The fourth proportional to 238,602.60, 329,272.26 and 136,629.60 is: 188,549.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,602.60 : 329,272.26 = 136,629.60 : x
  2. Step 2: Convert to fraction form
    238,602.60/329,272.26 = 136,629.60/x
  3. Step 3: Cross multiply
    238,602.60x = 329,272.26 × 136,629.60
  4. Step 4: Simplify right side
    238,602.60x = 44,988,337,174.90
  5. Step 5: Solve for x
    x = 44,988,337,174.90/238,602.60
  6. Step 6: Final answer
    x = 188,549.23

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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.