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Finding the Fourth Proportional to 162,057.68, 243,086.51 and 43,729.02

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Solution

The fourth proportional to 162,057.68, 243,086.51 and 43,729.02 is: 65,593.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,057.68 : 243,086.51 = 43,729.02 : x
  2. Step 2: Convert to fraction form
    162,057.68/243,086.51 = 43,729.02/x
  3. Step 3: Cross multiply
    162,057.68x = 243,086.51 × 43,729.02
  4. Step 4: Simplify right side
    162,057.68x = 10,629,934,966.84
  5. Step 5: Solve for x
    x = 10,629,934,966.84/162,057.68
  6. Step 6: Final answer
    x = 65,593.53

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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.