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Finding the Fourth Proportional to 169,289.86, 254,051.64 and 58,481.86

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Solution

The fourth proportional to 169,289.86, 254,051.64 and 58,481.86 is: 87,763.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,289.86 : 254,051.64 = 58,481.86 : x
  2. Step 2: Convert to fraction form
    169,289.86/254,051.64 = 58,481.86/x
  3. Step 3: Cross multiply
    169,289.86x = 254,051.64 × 58,481.86
  4. Step 4: Simplify right side
    169,289.86x = 14,857,412,443.25
  5. Step 5: Solve for x
    x = 14,857,412,443.25/169,289.86
  6. Step 6: Final answer
    x = 87,763.16

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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.