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Finding the Fourth Proportional to 181,254.88, 271,755.36 and 68,941.60

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Solution

The fourth proportional to 181,254.88, 271,755.36 and 68,941.60 is: 103,364.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,254.88 : 271,755.36 = 68,941.60 : x
  2. Step 2: Convert to fraction form
    181,254.88/271,755.36 = 68,941.60/x
  3. Step 3: Cross multiply
    181,254.88x = 271,755.36 × 68,941.60
  4. Step 4: Simplify right side
    181,254.88x = 18,735,249,326.98
  5. Step 5: Solve for x
    x = 18,735,249,326.98/181,254.88
  6. Step 6: Final answer
    x = 103,364.11

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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.