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Finding the Fourth Proportional to 170,594.52, 255,836.34 and 56,711.76

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Solution

The fourth proportional to 170,594.52, 255,836.34 and 56,711.76 is: 85,049.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,594.52 : 255,836.34 = 56,711.76 : x
  2. Step 2: Convert to fraction form
    170,594.52/255,836.34 = 56,711.76/x
  3. Step 3: Cross multiply
    170,594.52x = 255,836.34 × 56,711.76
  4. Step 4: Simplify right side
    170,594.52x = 14,508,929,113.36
  5. Step 5: Solve for x
    x = 14,508,929,113.36/170,594.52
  6. Step 6: Final answer
    x = 85,049.21

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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.