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Finding the Fourth Proportional to 180,616.64, 270,826.20 and 143,415.68

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Solution

The fourth proportional to 180,616.64, 270,826.20 and 143,415.68 is: 215,045.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,616.64 : 270,826.20 = 143,415.68 : x
  2. Step 2: Convert to fraction form
    180,616.64/270,826.20 = 143,415.68/x
  3. Step 3: Cross multiply
    180,616.64x = 270,826.20 × 143,415.68
  4. Step 4: Simplify right side
    180,616.64x = 38,840,723,634.82
  5. Step 5: Solve for x
    x = 38,840,723,634.82/180,616.64
  6. Step 6: Final answer
    x = 215,045.10

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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.