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Finding the Fourth Proportional to 137,217.04, 205,850.10 and 48,522.04

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Solution

The fourth proportional to 137,217.04, 205,850.10 and 48,522.04 is: 72,791.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,217.04 : 205,850.10 = 48,522.04 : x
  2. Step 2: Convert to fraction form
    137,217.04/205,850.10 = 48,522.04/x
  3. Step 3: Cross multiply
    137,217.04x = 205,850.10 × 48,522.04
  4. Step 4: Simplify right side
    137,217.04x = 9,988,266,786.20
  5. Step 5: Solve for x
    x = 9,988,266,786.20/137,217.04
  6. Step 6: Final answer
    x = 72,791.74

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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.