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Finding the Fourth Proportional to 187,481.60, 258,724.54 and 102,598.64

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Solution

The fourth proportional to 187,481.60, 258,724.54 and 102,598.64 is: 141,586.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,481.60 : 258,724.54 = 102,598.64 : x
  2. Step 2: Convert to fraction form
    187,481.60/258,724.54 = 102,598.64/x
  3. Step 3: Cross multiply
    187,481.60x = 258,724.54 × 102,598.64
  4. Step 4: Simplify right side
    187,481.60x = 26,544,785,938.63
  5. Step 5: Solve for x
    x = 26,544,785,938.63/187,481.60
  6. Step 6: Final answer
    x = 141,586.09

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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.