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Finding the Fourth Proportional to 68,956.50, 95,164.02 and 51,930.69

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Solution

The fourth proportional to 68,956.50, 95,164.02 and 51,930.69 is: 71,667.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,956.50 : 95,164.02 = 51,930.69 : x
  2. Step 2: Convert to fraction form
    68,956.50/95,164.02 = 51,930.69/x
  3. Step 3: Cross multiply
    68,956.50x = 95,164.02 × 51,930.69
  4. Step 4: Simplify right side
    68,956.50x = 4,941,933,221.77
  5. Step 5: Solve for x
    x = 4,941,933,221.77/68,956.50
  6. Step 6: Final answer
    x = 71,667.40

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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.