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Finding the Fourth Proportional to 223,713.50, 335,371.28 and 81,532.04

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Solution

The fourth proportional to 223,713.50, 335,371.28 and 81,532.04 is: 122,225.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,713.50 : 335,371.28 = 81,532.04 : x
  2. Step 2: Convert to fraction form
    223,713.50/335,371.28 = 81,532.04/x
  3. Step 3: Cross multiply
    223,713.50x = 335,371.28 × 81,532.04
  4. Step 4: Simplify right side
    223,713.50x = 27,343,502,531.29
  5. Step 5: Solve for x
    x = 27,343,502,531.29/223,713.50
  6. Step 6: Final answer
    x = 122,225.54

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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.