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Finding the Fourth Proportional to 179,700.80, 269,472.54 and 67,302.21

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Solution

The fourth proportional to 179,700.80, 269,472.54 and 67,302.21 is: 100,923.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,700.80 : 269,472.54 = 67,302.21 : x
  2. Step 2: Convert to fraction form
    179,700.80/269,472.54 = 67,302.21/x
  3. Step 3: Cross multiply
    179,700.80x = 269,472.54 × 67,302.21
  4. Step 4: Simplify right side
    179,700.80x = 18,136,097,476.31
  5. Step 5: Solve for x
    x = 18,136,097,476.31/179,700.80
  6. Step 6: Final answer
    x = 100,923.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.