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Finding the Fourth Proportional to 99,653.20, 149,479.76 and 29,532.48

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Solution

The fourth proportional to 99,653.20, 149,479.76 and 29,532.48 is: 44,298.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,653.20 : 149,479.76 = 29,532.48 : x
  2. Step 2: Convert to fraction form
    99,653.20/149,479.76 = 29,532.48/x
  3. Step 3: Cross multiply
    99,653.20x = 149,479.76 × 29,532.48
  4. Step 4: Simplify right side
    99,653.20x = 4,414,508,022.60
  5. Step 5: Solve for x
    x = 4,414,508,022.60/99,653.20
  6. Step 6: Final answer
    x = 44,298.71

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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.