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Finding the Fourth Proportional to 146,633.51, 202,354.11 and 79,565.51

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Solution

The fourth proportional to 146,633.51, 202,354.11 and 79,565.51 is: 109,800.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,633.51 : 202,354.11 = 79,565.51 : x
  2. Step 2: Convert to fraction form
    146,633.51/202,354.11 = 79,565.51/x
  3. Step 3: Cross multiply
    146,633.51x = 202,354.11 × 79,565.51
  4. Step 4: Simplify right side
    146,633.51x = 16,100,406,950.98
  5. Step 5: Solve for x
    x = 16,100,406,950.98/146,633.51
  6. Step 6: Final answer
    x = 109,800.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.