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Finding the Fourth Proportional to 203,237.48, 304,767.92 and 108,446.52

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Solution

The fourth proportional to 203,237.48, 304,767.92 and 108,446.52 is: 162,622.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,237.48 : 304,767.92 = 108,446.52 : x
  2. Step 2: Convert to fraction form
    203,237.48/304,767.92 = 108,446.52/x
  3. Step 3: Cross multiply
    203,237.48x = 304,767.92 × 108,446.52
  4. Step 4: Simplify right side
    203,237.48x = 33,051,020,331.64
  5. Step 5: Solve for x
    x = 33,051,020,331.64/203,237.48
  6. Step 6: Final answer
    x = 162,622.66

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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.