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Finding the Fourth Proportional to 68,951.99, 95,157.80 and 51,926.19

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Solution

The fourth proportional to 68,951.99, 95,157.80 and 51,926.19 is: 71,661.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,951.99 : 95,157.80 = 51,926.19 : x
  2. Step 2: Convert to fraction form
    68,951.99/95,157.80 = 51,926.19/x
  3. Step 3: Cross multiply
    68,951.99x = 95,157.80 × 51,926.19
  4. Step 4: Simplify right side
    68,951.99x = 4,941,181,743.15
  5. Step 5: Solve for x
    x = 4,941,181,743.15/68,951.99
  6. Step 6: Final answer
    x = 71,661.20

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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.