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Finding the Fourth Proportional to 93,624.91, 140,436 and 30,447.94

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Solution

The fourth proportional to 93,624.91, 140,436 and 30,447.94 is: 45,671.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,624.91 : 140,436 = 30,447.94 : x
  2. Step 2: Convert to fraction form
    93,624.91/140,436 = 30,447.94/x
  3. Step 3: Cross multiply
    93,624.91x = 140,436 × 30,447.94
  4. Step 4: Simplify right side
    93,624.91x = 4,275,986,901.84
  5. Step 5: Solve for x
    x = 4,275,986,901.84/93,624.91
  6. Step 6: Final answer
    x = 45,671.47

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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.