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Finding the Fourth Proportional to 202,345.02, 303,490.89 and 62,091.90

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Solution

The fourth proportional to 202,345.02, 303,490.89 and 62,091.90 is: 93,129.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,345.02 : 303,490.89 = 62,091.90 : x
  2. Step 2: Convert to fraction form
    202,345.02/303,490.89 = 62,091.90/x
  3. Step 3: Cross multiply
    202,345.02x = 303,490.89 × 62,091.90
  4. Step 4: Simplify right side
    202,345.02x = 18,844,325,992.79
  5. Step 5: Solve for x
    x = 18,844,325,992.79/202,345.02
  6. Step 6: Final answer
    x = 93,129.68

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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.