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Finding the Fourth Proportional to 373,738.69, 560,689.79 and 121,044.72

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Solution

The fourth proportional to 373,738.69, 560,689.79 and 121,044.72 is: 181,593.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,738.69 : 560,689.79 = 121,044.72 : x
  2. Step 2: Convert to fraction form
    373,738.69/560,689.79 = 121,044.72/x
  3. Step 3: Cross multiply
    373,738.69x = 560,689.79 × 121,044.72
  4. Step 4: Simplify right side
    373,738.69x = 67,868,538,637.41
  5. Step 5: Solve for x
    x = 67,868,538,637.41/373,738.69
  6. Step 6: Final answer
    x = 181,593.56

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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.