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Finding the Fourth Proportional to 202,655.40, 303,983.10 and 186,066.60

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Solution

The fourth proportional to 202,655.40, 303,983.10 and 186,066.60 is: 279,099.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,655.40 : 303,983.10 = 186,066.60 : x
  2. Step 2: Convert to fraction form
    202,655.40/303,983.10 = 186,066.60/x
  3. Step 3: Cross multiply
    202,655.40x = 303,983.10 × 186,066.60
  4. Step 4: Simplify right side
    202,655.40x = 56,561,101,874.46
  5. Step 5: Solve for x
    x = 56,561,101,874.46/202,655.40
  6. Step 6: Final answer
    x = 279,099.90

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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.