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Finding the Fourth Proportional to 181,112.52, 271,668.77 and 68,792.46

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Solution

The fourth proportional to 181,112.52, 271,668.77 and 68,792.46 is: 103,188.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,112.52 : 271,668.77 = 68,792.46 : x
  2. Step 2: Convert to fraction form
    181,112.52/271,668.77 = 68,792.46/x
  3. Step 3: Cross multiply
    181,112.52x = 271,668.77 × 68,792.46
  4. Step 4: Simplify right side
    181,112.52x = 18,688,762,649.51
  5. Step 5: Solve for x
    x = 18,688,762,649.51/181,112.52
  6. Step 6: Final answer
    x = 103,188.68

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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.