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Finding the Fourth Proportional to 103,674.27, 155,509.56 and 33,553.65

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Solution

The fourth proportional to 103,674.27, 155,509.56 and 33,553.65 is: 50,329.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,674.27 : 155,509.56 = 33,553.65 : x
  2. Step 2: Convert to fraction form
    103,674.27/155,509.56 = 33,553.65/x
  3. Step 3: Cross multiply
    103,674.27x = 155,509.56 × 33,553.65
  4. Step 4: Simplify right side
    103,674.27x = 5,217,913,347.89
  5. Step 5: Solve for x
    x = 5,217,913,347.89/103,674.27
  6. Step 6: Final answer
    x = 50,329.88

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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.