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Finding the Fourth Proportional to 230,626.27, 345,989.52 and 70,702.81

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Solution

The fourth proportional to 230,626.27, 345,989.52 and 70,702.81 is: 106,069.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,626.27 : 345,989.52 = 70,702.81 : x
  2. Step 2: Convert to fraction form
    230,626.27/345,989.52 = 70,702.81/x
  3. Step 3: Cross multiply
    230,626.27x = 345,989.52 × 70,702.81
  4. Step 4: Simplify right side
    230,626.27x = 24,462,431,294.55
  5. Step 5: Solve for x
    x = 24,462,431,294.55/230,626.27
  6. Step 6: Final answer
    x = 106,069.58

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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.