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Finding the Fourth Proportional to 68,404.78, 94,437.84 and 52,144.42

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Solution

The fourth proportional to 68,404.78, 94,437.84 and 52,144.42 is: 71,989.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,404.78 : 94,437.84 = 52,144.42 : x
  2. Step 2: Convert to fraction form
    68,404.78/94,437.84 = 52,144.42/x
  3. Step 3: Cross multiply
    68,404.78x = 94,437.84 × 52,144.42
  4. Step 4: Simplify right side
    68,404.78x = 4,924,406,392.85
  5. Step 5: Solve for x
    x = 4,924,406,392.85/68,404.78
  6. Step 6: Final answer
    x = 71,989.21

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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.