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Finding the Fourth Proportional to 178,015.73, 245,600.91 and 101,479.67

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Solution

The fourth proportional to 178,015.73, 245,600.91 and 101,479.67 is: 140,007.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,015.73 : 245,600.91 = 101,479.67 : x
  2. Step 2: Convert to fraction form
    178,015.73/245,600.91 = 101,479.67/x
  3. Step 3: Cross multiply
    178,015.73x = 245,600.91 × 101,479.67
  4. Step 4: Simplify right side
    178,015.73x = 24,923,498,991.50
  5. Step 5: Solve for x
    x = 24,923,498,991.50/178,015.73
  6. Step 6: Final answer
    x = 140,007.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.