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Finding the Fourth Proportional to 103,635.28, 155,480.28 and 37,082.08

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Solution

The fourth proportional to 103,635.28, 155,480.28 and 37,082.08 is: 55,632.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,635.28 : 155,480.28 = 37,082.08 : x
  2. Step 2: Convert to fraction form
    103,635.28/155,480.28 = 37,082.08/x
  3. Step 3: Cross multiply
    103,635.28x = 155,480.28 × 37,082.08
  4. Step 4: Simplify right side
    103,635.28x = 5,765,532,181.38
  5. Step 5: Solve for x
    x = 5,765,532,181.38/103,635.28
  6. Step 6: Final answer
    x = 55,632.91

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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.