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Finding the Fourth Proportional to 89,202.90, 123,101.70 and 48,914.27

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Solution

The fourth proportional to 89,202.90, 123,101.70 and 48,914.27 is: 67,502.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,202.90 : 123,101.70 = 48,914.27 : x
  2. Step 2: Convert to fraction form
    89,202.90/123,101.70 = 48,914.27/x
  3. Step 3: Cross multiply
    89,202.90x = 123,101.70 × 48,914.27
  4. Step 4: Simplify right side
    89,202.90x = 6,021,429,175.75
  5. Step 5: Solve for x
    x = 6,021,429,175.75/89,202.90
  6. Step 6: Final answer
    x = 67,502.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.