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Finding the Fourth Proportional to 367,754.50, 551,631.75 and 118,436.50

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Solution

The fourth proportional to 367,754.50, 551,631.75 and 118,436.50 is: 177,654.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,754.50 : 551,631.75 = 118,436.50 : x
  2. Step 2: Convert to fraction form
    367,754.50/551,631.75 = 118,436.50/x
  3. Step 3: Cross multiply
    367,754.50x = 551,631.75 × 118,436.50
  4. Step 4: Simplify right side
    367,754.50x = 65,333,333,758.88
  5. Step 5: Solve for x
    x = 65,333,333,758.88/367,754.50
  6. Step 6: Final answer
    x = 177,654.75

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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.