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Finding the Fourth Proportional to 169,853.86, 254,779.86 and 43,493.86

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Solution

The fourth proportional to 169,853.86, 254,779.86 and 43,493.86 is: 65,240.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,853.86 : 254,779.86 = 43,493.86 : x
  2. Step 2: Convert to fraction form
    169,853.86/254,779.86 = 43,493.86/x
  3. Step 3: Cross multiply
    169,853.86x = 254,779.86 × 43,493.86
  4. Step 4: Simplify right side
    169,853.86x = 11,081,359,561.66
  5. Step 5: Solve for x
    x = 11,081,359,561.66/169,853.86
  6. Step 6: Final answer
    x = 65,240.55

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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.