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Finding the Fourth Proportional to 95,355.98, 143,010 and 39,211.77

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Solution

The fourth proportional to 95,355.98, 143,010 and 39,211.77 is: 58,807.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,355.98 : 143,010 = 39,211.77 : x
  2. Step 2: Convert to fraction form
    95,355.98/143,010 = 39,211.77/x
  3. Step 3: Cross multiply
    95,355.98x = 143,010 × 39,211.77
  4. Step 4: Simplify right side
    95,355.98x = 5,607,675,227.70
  5. Step 5: Solve for x
    x = 5,607,675,227.70/95,355.98
  6. Step 6: Final answer
    x = 58,807.80

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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.