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Finding the Fourth Proportional to 108,519.30, 162,584.55 and 92,967.30

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Solution

The fourth proportional to 108,519.30, 162,584.55 and 92,967.30 is: 139,284.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,519.30 : 162,584.55 = 92,967.30 : x
  2. Step 2: Convert to fraction form
    108,519.30/162,584.55 = 92,967.30/x
  3. Step 3: Cross multiply
    108,519.30x = 162,584.55 × 92,967.30
  4. Step 4: Simplify right side
    108,519.30x = 15,115,046,635.22
  5. Step 5: Solve for x
    x = 15,115,046,635.22/108,519.30
  6. Step 6: Final answer
    x = 139,284.41

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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.