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Finding the Fourth Proportional to 223,634.40, 335,354.40 and 73,816.80

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Solution

The fourth proportional to 223,634.40, 335,354.40 and 73,816.80 is: 110,693.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,634.40 : 335,354.40 = 73,816.80 : x
  2. Step 2: Convert to fraction form
    223,634.40/335,354.40 = 73,816.80/x
  3. Step 3: Cross multiply
    223,634.40x = 335,354.40 × 73,816.80
  4. Step 4: Simplify right side
    223,634.40x = 24,754,788,673.92
  5. Step 5: Solve for x
    x = 24,754,788,673.92/223,634.40
  6. Step 6: Final answer
    x = 110,693.12

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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.