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Finding the Fourth Proportional to 230,372.53, 345,535.43 and 61,870.96

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Solution

The fourth proportional to 230,372.53, 345,535.43 and 61,870.96 is: 92,800.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,372.53 : 345,535.43 = 61,870.96 : x
  2. Step 2: Convert to fraction form
    230,372.53/345,535.43 = 61,870.96/x
  3. Step 3: Cross multiply
    230,372.53x = 345,535.43 × 61,870.96
  4. Step 4: Simplify right side
    230,372.53x = 21,378,608,768.11
  5. Step 5: Solve for x
    x = 21,378,608,768.11/230,372.53
  6. Step 6: Final answer
    x = 92,800.16

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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.