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Finding the Fourth Proportional to 68,194.42, 94,137.42 and 45,851.38

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Solution

The fourth proportional to 68,194.42, 94,137.42 and 45,851.38 is: 63,294.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,194.42 : 94,137.42 = 45,851.38 : x
  2. Step 2: Convert to fraction form
    68,194.42/94,137.42 = 45,851.38/x
  3. Step 3: Cross multiply
    68,194.42x = 94,137.42 × 45,851.38
  4. Step 4: Simplify right side
    68,194.42x = 4,316,330,616.64
  5. Step 5: Solve for x
    x = 4,316,330,616.64/68,194.42
  6. Step 6: Final answer
    x = 63,294.48

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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.