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Finding the Fourth Proportional to 159,525.57, 239,326.53 and 45,674.96

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Solution

The fourth proportional to 159,525.57, 239,326.53 and 45,674.96 is: 68,523.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,525.57 : 239,326.53 = 45,674.96 : x
  2. Step 2: Convert to fraction form
    159,525.57/239,326.53 = 45,674.96/x
  3. Step 3: Cross multiply
    159,525.57x = 239,326.53 × 45,674.96
  4. Step 4: Simplify right side
    159,525.57x = 10,931,228,573.70
  5. Step 5: Solve for x
    x = 10,931,228,573.70/159,525.57
  6. Step 6: Final answer
    x = 68,523.36

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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.