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Finding the Fourth Proportional to 159,279.63, 238,954.01 and 48,468.75

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Solution

The fourth proportional to 159,279.63, 238,954.01 and 48,468.75 is: 72,713.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,279.63 : 238,954.01 = 48,468.75 : x
  2. Step 2: Convert to fraction form
    159,279.63/238,954.01 = 48,468.75/x
  3. Step 3: Cross multiply
    159,279.63x = 238,954.01 × 48,468.75
  4. Step 4: Simplify right side
    159,279.63x = 11,581,801,929.84
  5. Step 5: Solve for x
    x = 11,581,801,929.84/159,279.63
  6. Step 6: Final answer
    x = 72,713.64

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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.