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Finding the Fourth Proportional to 373,920.48, 560,950.44 and 121,178.43

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Solution

The fourth proportional to 373,920.48, 560,950.44 and 121,178.43 is: 181,790.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,920.48 : 560,950.44 = 121,178.43 : x
  2. Step 2: Convert to fraction form
    373,920.48/560,950.44 = 121,178.43/x
  3. Step 3: Cross multiply
    373,920.48x = 560,950.44 × 121,178.43
  4. Step 4: Simplify right side
    373,920.48x = 67,975,093,627.01
  5. Step 5: Solve for x
    x = 67,975,093,627.01/373,920.48
  6. Step 6: Final answer
    x = 181,790.24

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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.