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Finding the Fourth Proportional to 221,973.30, 333,003.15 and 95,613.30

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Solution

The fourth proportional to 221,973.30, 333,003.15 and 95,613.30 is: 143,438.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,973.30 : 333,003.15 = 95,613.30 : x
  2. Step 2: Convert to fraction form
    221,973.30/333,003.15 = 95,613.30/x
  3. Step 3: Cross multiply
    221,973.30x = 333,003.15 × 95,613.30
  4. Step 4: Simplify right side
    221,973.30x = 31,839,530,081.90
  5. Step 5: Solve for x
    x = 31,839,530,081.90/221,973.30
  6. Step 6: Final answer
    x = 143,438.56

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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.