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Finding the Fourth Proportional to 373,661.65, 560,581.46 and 120,942.19

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Solution

The fourth proportional to 373,661.65, 560,581.46 and 120,942.19 is: 181,442.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,661.65 : 560,581.46 = 120,942.19 : x
  2. Step 2: Convert to fraction form
    373,661.65/560,581.46 = 120,942.19/x
  3. Step 3: Cross multiply
    373,661.65x = 560,581.46 × 120,942.19
  4. Step 4: Simplify right side
    373,661.65x = 67,797,946,262.33
  5. Step 5: Solve for x
    x = 67,797,946,262.33/373,661.65
  6. Step 6: Final answer
    x = 181,442.08

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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.