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Finding the Fourth Proportional to 159,525.86, 239,063.20 and 88,479.79

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Solution

The fourth proportional to 159,525.86, 239,063.20 and 88,479.79 is: 132,594.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,525.86 : 239,063.20 = 88,479.79 : x
  2. Step 2: Convert to fraction form
    159,525.86/239,063.20 = 88,479.79/x
  3. Step 3: Cross multiply
    159,525.86x = 239,063.20 × 88,479.79
  4. Step 4: Simplify right side
    159,525.86x = 21,152,262,258.60
  5. Step 5: Solve for x
    x = 21,152,262,258.60/159,525.86
  6. Step 6: Final answer
    x = 132,594.57

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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.