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Finding the Fourth Proportional to 68,294.75, 94,191.05 and 57,350.63

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Solution

The fourth proportional to 68,294.75, 94,191.05 and 57,350.63 is: 79,097.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,294.75 : 94,191.05 = 57,350.63 : x
  2. Step 2: Convert to fraction form
    68,294.75/94,191.05 = 57,350.63/x
  3. Step 3: Cross multiply
    68,294.75x = 94,191.05 × 57,350.63
  4. Step 4: Simplify right side
    68,294.75x = 5,401,916,436.72
  5. Step 5: Solve for x
    x = 5,401,916,436.72/68,294.75
  6. Step 6: Final answer
    x = 79,097.10

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1.5x scale

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.