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Finding the Fourth Proportional to 114,842.48, 172,266.48 and 43,755.86

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Solution

The fourth proportional to 114,842.48, 172,266.48 and 43,755.86 is: 65,634.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,842.48 : 172,266.48 = 43,755.86 : x
  2. Step 2: Convert to fraction form
    114,842.48/172,266.48 = 43,755.86/x
  3. Step 3: Cross multiply
    114,842.48x = 172,266.48 × 43,755.86
  4. Step 4: Simplify right side
    114,842.48x = 7,537,668,412.24
  5. Step 5: Solve for x
    x = 7,537,668,412.24/114,842.48
  6. Step 6: Final answer
    x = 65,634.85

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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.