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Finding the Fourth Proportional to 95,699.86, 143,495.09 and 29,120.30

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Solution

The fourth proportional to 95,699.86, 143,495.09 and 29,120.30 is: 43,663.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,699.86 : 143,495.09 = 29,120.30 : x
  2. Step 2: Convert to fraction form
    95,699.86/143,495.09 = 29,120.30/x
  3. Step 3: Cross multiply
    95,699.86x = 143,495.09 × 29,120.30
  4. Step 4: Simplify right side
    95,699.86x = 4,178,620,069.33
  5. Step 5: Solve for x
    x = 4,178,620,069.33/95,699.86
  6. Step 6: Final answer
    x = 43,663.81

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1.5x scale

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.