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Finding the Fourth Proportional to 132,476.66, 199,116.44 and 87,650.90

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Solution

The fourth proportional to 132,476.66, 199,116.44 and 87,650.90 is: 131,741.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,476.66 : 199,116.44 = 87,650.90 : x
  2. Step 2: Convert to fraction form
    132,476.66/199,116.44 = 87,650.90/x
  3. Step 3: Cross multiply
    132,476.66x = 199,116.44 × 87,650.90
  4. Step 4: Simplify right side
    132,476.66x = 17,452,735,887.71
  5. Step 5: Solve for x
    x = 17,452,735,887.71/132,476.66
  6. Step 6: Final answer
    x = 131,741.97

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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.