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Finding the Fourth Proportional to 103,485.90, 155,099.04 and 44,252.04

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Solution

The fourth proportional to 103,485.90, 155,099.04 and 44,252.04 is: 66,322.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,485.90 : 155,099.04 = 44,252.04 : x
  2. Step 2: Convert to fraction form
    103,485.90/155,099.04 = 44,252.04/x
  3. Step 3: Cross multiply
    103,485.90x = 155,099.04 × 44,252.04
  4. Step 4: Simplify right side
    103,485.90x = 6,863,448,922.04
  5. Step 5: Solve for x
    x = 6,863,448,922.04/103,485.90
  6. Step 6: Final answer
    x = 66,322.55

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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.