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Finding the Fourth Proportional to 103,489.04, 155,217.72 and 33,361.04

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Solution

The fourth proportional to 103,489.04, 155,217.72 and 33,361.04 is: 50,036.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,489.04 : 155,217.72 = 33,361.04 : x
  2. Step 2: Convert to fraction form
    103,489.04/155,217.72 = 33,361.04/x
  3. Step 3: Cross multiply
    103,489.04x = 155,217.72 × 33,361.04
  4. Step 4: Simplify right side
    103,489.04x = 5,178,224,565.63
  5. Step 5: Solve for x
    x = 5,178,224,565.63/103,489.04
  6. Step 6: Final answer
    x = 50,036.45

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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.