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Finding the Fourth Proportional to 219,634.72, 303,096.72 and 119,032.48

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Solution

The fourth proportional to 219,634.72, 303,096.72 and 119,032.48 is: 164,265.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,634.72 : 303,096.72 = 119,032.48 : x
  2. Step 2: Convert to fraction form
    219,634.72/303,096.72 = 119,032.48/x
  3. Step 3: Cross multiply
    219,634.72x = 303,096.72 × 119,032.48
  4. Step 4: Simplify right side
    219,634.72x = 36,078,354,261.47
  5. Step 5: Solve for x
    x = 36,078,354,261.47/219,634.72
  6. Step 6: Final answer
    x = 164,265.26

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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.