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Finding the Fourth Proportional to 108,967.26, 163,460.28 and 30,081.50

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Solution

The fourth proportional to 108,967.26, 163,460.28 and 30,081.50 is: 45,124.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,967.26 : 163,460.28 = 30,081.50 : x
  2. Step 2: Convert to fraction form
    108,967.26/163,460.28 = 30,081.50/x
  3. Step 3: Cross multiply
    108,967.26x = 163,460.28 × 30,081.50
  4. Step 4: Simplify right side
    108,967.26x = 4,917,129,595.52
  5. Step 5: Solve for x
    x = 4,917,129,595.52/108,967.26
  6. Step 6: Final answer
    x = 45,124.83

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.