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Finding the Fourth Proportional to 157,958.80, 236,903.22 and 45,614.56

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Solution

The fourth proportional to 157,958.80, 236,903.22 and 45,614.56 is: 68,411.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,958.80 : 236,903.22 = 45,614.56 : x
  2. Step 2: Convert to fraction form
    157,958.80/236,903.22 = 45,614.56/x
  3. Step 3: Cross multiply
    157,958.80x = 236,903.22 × 45,614.56
  4. Step 4: Simplify right side
    157,958.80x = 10,806,236,142.88
  5. Step 5: Solve for x
    x = 10,806,236,142.88/157,958.80
  6. Step 6: Final answer
    x = 68,411.74

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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.