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Finding the Fourth Proportional to 156,379.98, 234,570 and 62,863.86

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Solution

The fourth proportional to 156,379.98, 234,570 and 62,863.86 is: 94,295.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,379.98 : 234,570 = 62,863.86 : x
  2. Step 2: Convert to fraction form
    156,379.98/234,570 = 62,863.86/x
  3. Step 3: Cross multiply
    156,379.98x = 234,570 × 62,863.86
  4. Step 4: Simplify right side
    156,379.98x = 14,745,975,640.20
  5. Step 5: Solve for x
    x = 14,745,975,640.20/156,379.98
  6. Step 6: Final answer
    x = 94,295.80

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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.