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Finding the Fourth Proportional to 202,294.91, 303,529.85 and 77,606.75

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Solution

The fourth proportional to 202,294.91, 303,529.85 and 77,606.75 is: 116,443.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,294.91 : 303,529.85 = 77,606.75 : x
  2. Step 2: Convert to fraction form
    202,294.91/303,529.85 = 77,606.75/x
  3. Step 3: Cross multiply
    202,294.91x = 303,529.85 × 77,606.75
  4. Step 4: Simplify right side
    202,294.91x = 23,555,964,798.45
  5. Step 5: Solve for x
    x = 23,555,964,798.45/202,294.91
  6. Step 6: Final answer
    x = 116,443.69

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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.