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Finding the Fourth Proportional to 70,624.32, 106,014.24 and 48,151.68

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Solution

The fourth proportional to 70,624.32, 106,014.24 and 48,151.68 is: 72,280.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,624.32 : 106,014.24 = 48,151.68 : x
  2. Step 2: Convert to fraction form
    70,624.32/106,014.24 = 48,151.68/x
  3. Step 3: Cross multiply
    70,624.32x = 106,014.24 × 48,151.68
  4. Step 4: Simplify right side
    70,624.32x = 5,104,763,759.92
  5. Step 5: Solve for x
    x = 5,104,763,759.92/70,624.32
  6. Step 6: Final answer
    x = 72,280.54

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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.