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Finding the Fourth Proportional to 202,119.60, 303,222.60 and 61,892.40

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Solution

The fourth proportional to 202,119.60, 303,222.60 and 61,892.40 is: 92,851.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,119.60 : 303,222.60 = 61,892.40 : x
  2. Step 2: Convert to fraction form
    202,119.60/303,222.60 = 61,892.40/x
  3. Step 3: Cross multiply
    202,119.60x = 303,222.60 × 61,892.40
  4. Step 4: Simplify right side
    202,119.60x = 18,767,174,448.24
  5. Step 5: Solve for x
    x = 18,767,174,448.24/202,119.60
  6. Step 6: Final answer
    x = 92,851.83

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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.