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Finding the Fourth Proportional to 213,833.32, 320,751.32 and 56,060.36

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Solution

The fourth proportional to 213,833.32, 320,751.32 and 56,060.36 is: 84,090.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,833.32 : 320,751.32 = 56,060.36 : x
  2. Step 2: Convert to fraction form
    213,833.32/320,751.32 = 56,060.36/x
  3. Step 3: Cross multiply
    213,833.32x = 320,751.32 × 56,060.36
  4. Step 4: Simplify right side
    213,833.32x = 17,981,434,469.68
  5. Step 5: Solve for x
    x = 17,981,434,469.68/213,833.32
  6. Step 6: Final answer
    x = 84,090.89

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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.