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Finding the Fourth Proportional to 254,083.43, 350,632.73 and 139,359.71

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Solution

The fourth proportional to 254,083.43, 350,632.73 and 139,359.71 is: 192,315.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,083.43 : 350,632.73 = 139,359.71 : x
  2. Step 2: Convert to fraction form
    254,083.43/350,632.73 = 139,359.71/x
  3. Step 3: Cross multiply
    254,083.43x = 350,632.73 × 139,359.71
  4. Step 4: Simplify right side
    254,083.43x = 48,864,076,794.29
  5. Step 5: Solve for x
    x = 48,864,076,794.29/254,083.43
  6. Step 6: Final answer
    x = 192,315.08

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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.