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Finding the Fourth Proportional to 120,295.67, 166,002.08 and 68,614.79

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Solution

The fourth proportional to 120,295.67, 166,002.08 and 68,614.79 is: 94,685.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,295.67 : 166,002.08 = 68,614.79 : x
  2. Step 2: Convert to fraction form
    120,295.67/166,002.08 = 68,614.79/x
  3. Step 3: Cross multiply
    120,295.67x = 166,002.08 × 68,614.79
  4. Step 4: Simplify right side
    120,295.67x = 11,390,196,685.68
  5. Step 5: Solve for x
    x = 11,390,196,685.68/120,295.67
  6. Step 6: Final answer
    x = 94,685.01

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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.