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Finding the Fourth Proportional to 159,134.40, 238,672.44 and 64,359.54

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Solution

The fourth proportional to 159,134.40, 238,672.44 and 64,359.54 is: 96,527.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,134.40 : 238,672.44 = 64,359.54 : x
  2. Step 2: Convert to fraction form
    159,134.40/238,672.44 = 64,359.54/x
  3. Step 3: Cross multiply
    159,134.40x = 238,672.44 × 64,359.54
  4. Step 4: Simplify right side
    159,134.40x = 15,360,848,449.08
  5. Step 5: Solve for x
    x = 15,360,848,449.08/159,134.40
  6. Step 6: Final answer
    x = 96,527.52

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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.