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Finding the Fourth Proportional to 95,755.99, 143,649.56 and 28,294.87

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Solution

The fourth proportional to 95,755.99, 143,649.56 and 28,294.87 is: 42,446.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,755.99 : 143,649.56 = 28,294.87 : x
  2. Step 2: Convert to fraction form
    95,755.99/143,649.56 = 28,294.87/x
  3. Step 3: Cross multiply
    95,755.99x = 143,649.56 × 28,294.87
  4. Step 4: Simplify right side
    95,755.99x = 4,064,545,625.76
  5. Step 5: Solve for x
    x = 4,064,545,625.76/95,755.99
  6. Step 6: Final answer
    x = 42,446.91

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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.