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Finding the Fourth Proportional to 203,051.34, 304,646.23 and 60,900.09

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Solution

The fourth proportional to 203,051.34, 304,646.23 and 60,900.09 is: 91,370.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,051.34 : 304,646.23 = 60,900.09 : x
  2. Step 2: Convert to fraction form
    203,051.34/304,646.23 = 60,900.09/x
  3. Step 3: Cross multiply
    203,051.34x = 304,646.23 × 60,900.09
  4. Step 4: Simplify right side
    203,051.34x = 18,552,981,758.86
  5. Step 5: Solve for x
    x = 18,552,981,758.86/203,051.34
  6. Step 6: Final answer
    x = 91,370.89

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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.