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Finding the Fourth Proportional to 146,176.67, 201,723.80 and 79,108.67

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Solution

The fourth proportional to 146,176.67, 201,723.80 and 79,108.67 is: 109,169.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,176.67 : 201,723.80 = 79,108.67 : x
  2. Step 2: Convert to fraction form
    146,176.67/201,723.80 = 79,108.67/x
  3. Step 3: Cross multiply
    146,176.67x = 201,723.80 × 79,108.67
  4. Step 4: Simplify right side
    146,176.67x = 15,958,101,525.35
  5. Step 5: Solve for x
    x = 15,958,101,525.35/146,176.67
  6. Step 6: Final answer
    x = 109,169.96

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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.