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Finding the Fourth Proportional to 238,604.60, 329,275.02 and 136,631.60

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Solution

The fourth proportional to 238,604.60, 329,275.02 and 136,631.60 is: 188,551.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,604.60 : 329,275.02 = 136,631.60 : x
  2. Step 2: Convert to fraction form
    238,604.60/329,275.02 = 136,631.60/x
  3. Step 3: Cross multiply
    238,604.60x = 329,275.02 × 136,631.60
  4. Step 4: Simplify right side
    238,604.60x = 44,989,372,822.63
  5. Step 5: Solve for x
    x = 44,989,372,822.63/238,604.60
  6. Step 6: Final answer
    x = 188,551.99

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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.