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Finding the Fourth Proportional to 108,471.66, 162,723.33 and 33,598.50

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Solution

The fourth proportional to 108,471.66, 162,723.33 and 33,598.50 is: 50,402.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,471.66 : 162,723.33 = 33,598.50 : x
  2. Step 2: Convert to fraction form
    108,471.66/162,723.33 = 33,598.50/x
  3. Step 3: Cross multiply
    108,471.66x = 162,723.33 × 33,598.50
  4. Step 4: Simplify right side
    108,471.66x = 5,467,259,803.01
  5. Step 5: Solve for x
    x = 5,467,259,803.01/108,471.66
  6. Step 6: Final answer
    x = 50,402.66

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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.