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Finding the Fourth Proportional to 173,794.05, 260,732.70 and 72,535.79

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Solution

The fourth proportional to 173,794.05, 260,732.70 and 72,535.79 is: 108,821.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,794.05 : 260,732.70 = 72,535.79 : x
  2. Step 2: Convert to fraction form
    173,794.05/260,732.70 = 72,535.79/x
  3. Step 3: Cross multiply
    173,794.05x = 260,732.70 × 72,535.79
  4. Step 4: Simplify right side
    173,794.05x = 18,912,453,025.16
  5. Step 5: Solve for x
    x = 18,912,453,025.16/173,794.05
  6. Step 6: Final answer
    x = 108,821.06

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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.