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Finding the Fourth Proportional to 143,573.54, 215,408.26 and 63,600.64

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Solution

The fourth proportional to 143,573.54, 215,408.26 and 63,600.64 is: 95,422.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,573.54 : 215,408.26 = 63,600.64 : x
  2. Step 2: Convert to fraction form
    143,573.54/215,408.26 = 63,600.64/x
  3. Step 3: Cross multiply
    143,573.54x = 215,408.26 × 63,600.64
  4. Step 4: Simplify right side
    143,573.54x = 13,700,102,499.76
  5. Step 5: Solve for x
    x = 13,700,102,499.76/143,573.54
  6. Step 6: Final answer
    x = 95,422.20

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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.