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Finding the Fourth Proportional to 223,266.43, 334,945.68 and 73,515.64

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Solution

The fourth proportional to 223,266.43, 334,945.68 and 73,515.64 is: 110,288.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,266.43 : 334,945.68 = 73,515.64 : x
  2. Step 2: Convert to fraction form
    223,266.43/334,945.68 = 73,515.64/x
  3. Step 3: Cross multiply
    223,266.43x = 334,945.68 × 73,515.64
  4. Step 4: Simplify right side
    223,266.43x = 24,623,746,030.44
  5. Step 5: Solve for x
    x = 24,623,746,030.44/223,266.43
  6. Step 6: Final answer
    x = 110,288.62

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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.