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Finding the Fourth Proportional to 143,298.64, 214,980.15 and 48,523.37

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Solution

The fourth proportional to 143,298.64, 214,980.15 and 48,523.37 is: 72,795.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,298.64 : 214,980.15 = 48,523.37 : x
  2. Step 2: Convert to fraction form
    143,298.64/214,980.15 = 48,523.37/x
  3. Step 3: Cross multiply
    143,298.64x = 214,980.15 × 48,523.37
  4. Step 4: Simplify right side
    143,298.64x = 10,431,561,361.11
  5. Step 5: Solve for x
    x = 10,431,561,361.11/143,298.64
  6. Step 6: Final answer
    x = 72,795.96

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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.