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Finding the Fourth Proportional to 132,080.40, 198,113.64 and 43,322.22

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Solution

The fourth proportional to 132,080.40, 198,113.64 and 43,322.22 is: 64,981.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,080.40 : 198,113.64 = 43,322.22 : x
  2. Step 2: Convert to fraction form
    132,080.40/198,113.64 = 43,322.22/x
  3. Step 3: Cross multiply
    132,080.40x = 198,113.64 × 43,322.22
  4. Step 4: Simplify right side
    132,080.40x = 8,582,722,697.08
  5. Step 5: Solve for x
    x = 8,582,722,697.08/132,080.40
  6. Step 6: Final answer
    x = 64,981.05

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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.