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Finding the Fourth Proportional to 272,041.36, 375,470.82 and 173,861.80

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Solution

The fourth proportional to 272,041.36, 375,470.82 and 173,861.80 is: 239,963.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,041.36 : 375,470.82 = 173,861.80 : x
  2. Step 2: Convert to fraction form
    272,041.36/375,470.82 = 173,861.80/x
  3. Step 3: Cross multiply
    272,041.36x = 375,470.82 × 173,861.80
  4. Step 4: Simplify right side
    272,041.36x = 65,280,032,612.68
  5. Step 5: Solve for x
    x = 65,280,032,612.68/272,041.36
  6. Step 6: Final answer
    x = 239,963.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.