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Finding the Fourth Proportional to 173,105.60, 259,376.80 and 156,516.80

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Solution

The fourth proportional to 173,105.60, 259,376.80 and 156,516.80 is: 234,520.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,105.60 : 259,376.80 = 156,516.80 : x
  2. Step 2: Convert to fraction form
    173,105.60/259,376.80 = 156,516.80/x
  3. Step 3: Cross multiply
    173,105.60x = 259,376.80 × 156,516.80
  4. Step 4: Simplify right side
    173,105.60x = 40,596,826,730.24
  5. Step 5: Solve for x
    x = 40,596,826,730.24/173,105.60
  6. Step 6: Final answer
    x = 234,520.59

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1.5x scale

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.