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Finding the Fourth Proportional to 274,554.65, 412,097.62 and 132,499.92

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Solution

The fourth proportional to 274,554.65, 412,097.62 and 132,499.92 is: 198,878.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,554.65 : 412,097.62 = 132,499.92 : x
  2. Step 2: Convert to fraction form
    274,554.65/412,097.62 = 132,499.92/x
  3. Step 3: Cross multiply
    274,554.65x = 412,097.62 × 132,499.92
  4. Step 4: Simplify right side
    274,554.65x = 54,602,900,651.95
  5. Step 5: Solve for x
    x = 54,602,900,651.95/274,554.65
  6. Step 6: Final answer
    x = 198,878.08

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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.