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Finding the Fourth Proportional to 141,153.96, 211,813.98 and 52,469.80

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Solution

The fourth proportional to 141,153.96, 211,813.98 and 52,469.80 is: 78,735.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,153.96 : 211,813.98 = 52,469.80 : x
  2. Step 2: Convert to fraction form
    141,153.96/211,813.98 = 52,469.80/x
  3. Step 3: Cross multiply
    141,153.96x = 211,813.98 × 52,469.80
  4. Step 4: Simplify right side
    141,153.96x = 11,113,837,167.80
  5. Step 5: Solve for x
    x = 11,113,837,167.80/141,153.96
  6. Step 6: Final answer
    x = 78,735.57

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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.