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Finding the Fourth Proportional to 103,651.65, 155,479.91 and 37,096.38

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Solution

The fourth proportional to 103,651.65, 155,479.91 and 37,096.38 is: 55,645.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,651.65 : 155,479.91 = 37,096.38 : x
  2. Step 2: Convert to fraction form
    103,651.65/155,479.91 = 37,096.38/x
  3. Step 3: Cross multiply
    103,651.65x = 155,479.91 × 37,096.38
  4. Step 4: Simplify right side
    103,651.65x = 5,767,741,638.24
  5. Step 5: Solve for x
    x = 5,767,741,638.24/103,651.65
  6. Step 6: Final answer
    x = 55,645.44

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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.