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Finding the Fourth Proportional to 186,540.48, 279,750.24 and 61,848

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Solution

The fourth proportional to 186,540.48, 279,750.24 and 61,848 is: 92,751.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,540.48 : 279,750.24 = 61,848 : x
  2. Step 2: Convert to fraction form
    186,540.48/279,750.24 = 61,848/x
  3. Step 3: Cross multiply
    186,540.48x = 279,750.24 × 61,848
  4. Step 4: Simplify right side
    186,540.48x = 17,301,992,843.52
  5. Step 5: Solve for x
    x = 17,301,992,843.52/186,540.48
  6. Step 6: Final answer
    x = 92,751.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.