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Finding the Fourth Proportional to 73,958.97, 102,064.03 and 68,308.31

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Solution

The fourth proportional to 73,958.97, 102,064.03 and 68,308.31 is: 94,266.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,958.97 : 102,064.03 = 68,308.31 : x
  2. Step 2: Convert to fraction form
    73,958.97/102,064.03 = 68,308.31/x
  3. Step 3: Cross multiply
    73,958.97x = 102,064.03 × 68,308.31
  4. Step 4: Simplify right side
    73,958.97x = 6,971,820,890.77
  5. Step 5: Solve for x
    x = 6,971,820,890.77/73,958.97
  6. Step 6: Final answer
    x = 94,266.06

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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.