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Finding the Fourth Proportional to 223,430.02, 335,142.10 and 54,951.80

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Solution

The fourth proportional to 223,430.02, 335,142.10 and 54,951.80 is: 82,426.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,430.02 : 335,142.10 = 54,951.80 : x
  2. Step 2: Convert to fraction form
    223,430.02/335,142.10 = 54,951.80/x
  3. Step 3: Cross multiply
    223,430.02x = 335,142.10 × 54,951.80
  4. Step 4: Simplify right side
    223,430.02x = 18,416,661,650.78
  5. Step 5: Solve for x
    x = 18,416,661,650.78/223,430.02
  6. Step 6: Final answer
    x = 82,426.98

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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.