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Finding the Fourth Proportional to 113,181.94, 156,195.30 and 67,867.30

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Solution

The fourth proportional to 113,181.94, 156,195.30 and 67,867.30 is: 93,659.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,181.94 : 156,195.30 = 67,867.30 : x
  2. Step 2: Convert to fraction form
    113,181.94/156,195.30 = 67,867.30/x
  3. Step 3: Cross multiply
    113,181.94x = 156,195.30 × 67,867.30
  4. Step 4: Simplify right side
    113,181.94x = 10,600,553,283.69
  5. Step 5: Solve for x
    x = 10,600,553,283.69/113,181.94
  6. Step 6: Final answer
    x = 93,659.41

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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.