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Finding the Fourth Proportional to 235,616.20, 353,165.10 and 102,473.80

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Solution

The fourth proportional to 235,616.20, 353,165.10 and 102,473.80 is: 153,597.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,616.20 : 353,165.10 = 102,473.80 : x
  2. Step 2: Convert to fraction form
    235,616.20/353,165.10 = 102,473.80/x
  3. Step 3: Cross multiply
    235,616.20x = 353,165.10 × 102,473.80
  4. Step 4: Simplify right side
    235,616.20x = 36,190,169,824.38
  5. Step 5: Solve for x
    x = 36,190,169,824.38/235,616.20
  6. Step 6: Final answer
    x = 153,597.97

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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.