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Finding the Fourth Proportional to 95,887.86, 143,808.72 and 29,328.57

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Solution

The fourth proportional to 95,887.86, 143,808.72 and 29,328.57 is: 43,985.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,887.86 : 143,808.72 = 29,328.57 : x
  2. Step 2: Convert to fraction form
    95,887.86/143,808.72 = 29,328.57/x
  3. Step 3: Cross multiply
    95,887.86x = 143,808.72 × 29,328.57
  4. Step 4: Simplify right side
    95,887.86x = 4,217,704,111.13
  5. Step 5: Solve for x
    x = 4,217,704,111.13/95,887.86
  6. Step 6: Final answer
    x = 43,985.80

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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.